GED Math Test #5 3

Question 1

What is 35% of 260?

Accepted Answer

91

Answer

35% of 260 = 0.35 × 260 = 91. To find a percentage of a number, convert the percent to a decimal and multiply.

Question 2

A rectangle has a length of 14 cm and a width of 9 cm. What is its area?

Accepted Answer

126 cm²

Answer

Area of a rectangle = length × width = 14 × 9 = 126 cm². The perimeter would be 2(14 + 9) = 46 cm, which is a common distractor.

Question 3

Solve for x: 3x + 7 = 28

Accepted Answer

7

Answer

Subtract 7 from both sides: 3x = 21. Then divide by 3: x = 7. Always perform inverse operations to isolate the variable.

Question 4

A store sold 48 items on Monday and 72 items on Tuesday. What fraction of the two-day total was sold on Monday?

Accepted Answer

2/5

Answer

Total items = 48 + 72 = 120. Monday fraction = 48/120 = 2/5. Simplify by dividing numerator and denominator by their GCF of 24.

Question 5

The table shows: x = 2 → y = 5; x = 4 → y = 9; x = 6 → y = 13. Which equation represents this relationship?

Accepted Answer

y = 2x + 1

Answer

Check with x = 2: 2(2) + 1 = 5 ✓; x = 4: 2(4) + 1 = 9 ✓; x = 6: 2(6) + 1 = 13 ✓. The slope is (9−5)/(4−2) = 2 and the y-intercept is 1.

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