Find each number. round to the nearest tenth if necessary

Step-by-step explanation:

Here is the complete question: Find each number. Round to the nearest tenth if necessary.

1) 80% of 120

=

= 96

∴ 80% of 120= 96

2)

=

∴ = 6.9

3) What percent of 128 is 32?

=

=

4) 3 is what percent of 36?

=

=

5) 23.7 is 30% of what number?

Let the number be "x".

⇒

Cross multiplying

⇒

∴ x= 79.

6) 71/2% of what is 12?

Lets assume the required number be "x".

⇒

cross multiplying both side.

⇒x= 33.8

∴ 71/2% of 33.8 is 12

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72