If 10% of a number is 7, what is 80% of the number?

Question

Shania Acosta

Mathematics

5 July, 10:33

If 10% of a number is 7, what is 80% of the number?

+1

Answers (1)

Know the Answer?

Jorden Carson · Answer 1

Step-by-step explanation:

Note that 80% is 8 times 10%.

Thus, we could start with "If 10% of a number is 7" and multiply both quantities by 8: "80% of a number is 56."

Think:

10% of a number is 7,

20% is 14,

50% is 35,

70% is 49, and

80% is 56.