Let x = the number of penguins we are finding
x ÷ 100 × 30 = 15
x = 15 ÷ 30 × 100
x = 50
hope this helps and have a great day :)

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Find 1 cup :
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Find 4 cups :
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Answer: John can make 6 batches with 4 cups of flour.--------------------------------------------------------------------------------------------
You need to estimate the square root of 200 ft². Rewrite 200 as 2 x 100, then square root of (2*100) is:
10*sqrt(2). The sqrt(2) = 1.414, so the length of each side of the square will be 10*1.414 = 14.14 ft or about 14 ft.
C. Plumber A and Plumber B will both charge $135 if they each work 2.5 h.
Answer:
Step-by-step explanation:
find the average
$2520 / 20 days = ______ pay per day