Answer:
20
Step-by-step explanation:
3/4 = 75%
15 ÷ 75% = 20
15 is 75% of 20.
Answer:
36
Step-by-step explanation:
Total number of packages = 12
Each package contains 3 pens
SO we can write the equation as follows
3 * 12 = 36
so the total no of pens in a box = 36
Answer:

Step-by-step explanation:
Subtract v from both sides

Simplify

Switch sides

Group like terms

Subtract the numbers: 2 - 42 = -40

Add 40 to both sides

Simplify

Divide both sides by 7

Simplify
➤ 
Answer: 48 minutes
Step-by-step explanation:
Han spent 75 minutes practicing the piano.
Tyler spent only 64% as much as that. How long did Tyler practice:
= 75 * 64%
= 48 minutes