FREE CASAS Math Goals Questions and Answers

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Celia rides the downtown trolley three times every day. There are five trolleys that run on the loop downtown.

What is the probability that Celia will ride the #2 trolley on all three trips today?

Correct! Wrong!

Explanation:
To find the probability, you multiply the probability of each independent event. Since there are five trolleys and Celia rides three times, the probability of riding the #2 trolley each time would be (1/5) * (1/5) * (1/5) = 1/125. So, the correct answer is D. 1/125.

Patrice has 3 boxes of cards. Each box is 2 inches thick. The boxes are stacked on top of each other.

How high is the stack?

Correct! Wrong!

Explanation:
Since each box is 2 inches thick, and there are 3 boxes stacked on top of each other, the total height of the stack is 2 inches * 3 boxes = 6 inches.

A piece of string is 144 inches long. How many feet is the string?
Note: 1 foot = 12 inches

Correct! Wrong!

Explanation:
Since 1 foot is equal to 12 inches, to find out how many feet 144 inches is, divide the total length by the length of 1 foot:

144 inches ÷ 12 inches/foot = 12 feet

Brad and Amy each have $5 for Greta’s gift. How much money do they have together to buy the gift?

Correct! Wrong!

Explanation:
Brad and Amy each have $5, so together they have $5 + $5 = $10.

Midtown Gym costs $40 per month to join but is having a half-price special for August.

How much would it cost to join for August?

Correct! Wrong!

Explanation:
During the half-price special for August, the cost to join Midtown Gym is reduced by half. Since the regular cost is $40 per month, half of that is $20. Therefore, it would cost $20 to join for August.

Gina is buying a shirt that costs $10.00. The sales tax is 7.5%. How much will the tax be?

Correct! Wrong!

Explanation:
To find the tax amount, multiply the cost of the shirt by the sales tax rate.

$10.00 * 7.5% = $0.75

What is the approximate area of Jeremy’s patio?

Correct! Wrong!

Explanation:
The approximate area of Jeremy’s patio is 164.

According to the graph, about how many people ordered from the lunch cart on Tuesday?

Correct! Wrong!

Explanation:
Based on the chart, the correct answer is 35.

Midtown Gym costs $40 per month to join but is having a half-price special for August.

How much would it cost to join for April, May and June?

Correct! Wrong!

Explanation:
The regular cost for joining the Midtown Gym is $40 per month. To calculate the total cost for joining for April, May, and June, we multiply the monthly cost by the number of months: $40/month * 3 months = $120.

Angle A, at the intersection of Pine Street and 5th Avenue, is 60 degrees.

What is the measure of angle B?

Correct! Wrong!

Explanation:
If angle A is 60 degrees at the intersection of Pine Street and 5th Avenue, and angle B is supplementary to angle A, then angle B would measure 120 degrees

Jackson Elementary will have 120 first-grade students next year. Each class can have 24 students.

Using the equation 24x = 120, how many first-grade classes will the school need?

Correct! Wrong!

Explanation:
To find out how many first-grade classes the school will need, divide the total number of students (120) by the number of students per class (24).

120 / 24 = 5

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