If a kitten weighed 100 grams at birth and gained 8 grams per day, in how many days will the kitten triple its weight?

Question

Its a Two-Step Equation Word problem which the Full problem is "Kittens weigh about 100 grams when born and gain 7 to 15 grams per day. If a kitten weighed 100 grams at birth and gains 8 grams per day, in how many days will the kitten triple its weight.

Answer 1

 

Solve in two steps the following equation:

 

8d + 100 = 300 where d=number of days.

 

Step 1: add -100 to both sides

Step 2: you figure it out. It's easy.