Three-quarters of a number is 15.
Work out four-fifths of the number.
2 answers:
Answer:
16
Step-by-step explanation:
let the number be x , then
\frac{3}{4} x = 15 ( multiply both sides by 4 to clear the fraction )
3x = 60 ( divide both sides by 3 )
x = 20 , then
\frac{4}{5} × 20 = 4 × 4 = 16
Answer:
16
Step-by-step explanation:
let the number be x , then
x = 15 ( multiply both sides by 4 to clear the fraction )
3x = 60 ( divide both sides by 3 )
x = 20 , then
× 20 = 4 × 4 = 16
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Step-by-step explanation:
Let me know if i'm wrong
<span>Product means multiplication, so I would multiply 379 and 8.
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Answer:
75.5 cm
Step-by-step explanation:
S = (a+b)*h/2
h = 2 * S / (a+b) = 2 * 7701 / 204 = 75.5 cm
You have to set up a ratio and solve
Answer:
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Step-by-step explanation:
1). { - 4, - 1, 0, 4 }
2). { - 5 }
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