Question

Which of the following would you use as the percent equation to determine that 70 is 40% of what number?

40 = 0.7 * a

a = 0.7 * 40

a = 0.4 *70

70 = 0.4 *a

Answer 1

a = 0.4 *70

Answer 2

\[a = {{40\over 100} \times 70} = 0.4 \times 70\]

Answer 3

a = 0.7 * 40

Answer 4

Right?

Answer 5

Look at the way I translate
" 70 is 40% of what number? "
70 = .4 * a

Answer 6

70 = 0.4 *a

Answer 7

Thnk u all :)

Thnks chloro! :)