Question

Lin’s family has completed 40% of a trip. They have traveled 24 miles. How far is the trip? (If you get stuck, draw a tape diagram)

Then


Marco bought a doll for his little sister. The price on the tag was $35, but it was on sale for 80% off. How much did Marco pay for the doll?

Answer 1

Answer:

1) 60 miles

2) 7 dollars

Step-by-step explanation:

1) Question 1

Let x be equal to the full distance of the trip

$0.4x=24$

Divide both sides by 0.4

$\frac{0.4x}{0.4}=\frac{24}{0.4} \\x=60$

Therefore, the trip is 60 miles long.

2) Question 2

Let y be equal to the price that Marco paid for the doll.

$35*0.2=y$

We multiply 35 by 1-0.8 because the doll is 80% off, meaning he's paying for 20% of the original price

$7=y$

Therefore, Marco paid $7 for the doll.

I hope this helps!