1. Solve each problem using an equation. a. What is 150% of 625? b. 90 is 40% of what number? c. What percent of 520 is 40? Round to the nearest hundredth of a percent.
1. Solve each problem using an equation. a. What is 150% of 625? b. 90 is 40% of what number? c. What percent of 520 is 40? Round to the nearest hundredth of a percent.
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Answer:
a) 937.5
b) 225
c) 7.67%
Step-by-step explanation:
for the first question,
150/100*625= 937.5
for the second question,
let the unknown no be 'x'
so 40/100*x=90
by solving we get x= 225
for the third question,
let the unknown percent be 'x'
x/100*520=40
we get x=7.67% rounded to the nearest hundreth.