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Ratios and Proportions Flashcards

7 cards from real BSEP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Ratios and Proportions flashcards as text

  1. A worker earns $84 in 7 hours. How much does she earn in 10 hours at the same rate?

    Answer: $120

    Hourly rate = $12/hr; 10 × $12 = $120.

  2. The ratio of red marbles to blue marbles is 5:3. If there are 24 blue marbles, how many red marbles are there?

    Answer: 40 marbles

    5/3 = x/24, so x = (5 × 24) / 3 = 40.

  3. A photograph is 4 inches wide and 6 inches tall. If it is enlarged so the width becomes 10 inches, what is the new height?

    Answer: 15 inches

    4/6 = 10/x gives x = 15 inches to maintain the same ratio.

  4. If 3 shirts cost $45, how much do 7 shirts cost at the same price?

    Answer: $105

    Each shirt costs $15; 7 × $15 = $105.

  5. In a poll, 3 out of every 8 people prefer brand A. In a group of 400 people, how many prefer brand A?

    Answer: 150

    (3/8) × 400 = 150 people prefer brand A.

  6. A shadow 4 feet long is cast by a pole 6 feet tall. At the same time, a tree casts a shadow 22 feet long. How tall is the tree?

    Answer: 33 feet

    4/6 = 22/x gives x = (22 × 6) / 4 = 33 feet.

  7. A tank fills at a rate of 15 gallons every 4 minutes. How many gallons will it hold after 12 minutes?

    Answer: 45 gallons

    15/4 = x/12, so x = (15 × 12) / 4 = 45 gallons.