Answer:
150 pens
Step-by-step explanation:
1. 75% = 0.75
2. 200 * 0.75 = 150 pens
Answer:
$35
Step-by-step explanation:
equation to represent the situation:
4.90 = 0.14 * b
so,
4.90 / 0.14 = b
b = 35
The cost of the manicure was $35.
Answer: 
<u>Step-by-step explanation:</u>
Since the expressions have the same denominator, we simply need to add the numerators.

If the fish eats 12 worms per minute and it needs to eat 510, we divide 510 by 12 to get 42.5 minutes