Question

color of covers\tred cover\tsilver cover\tclear cover\tblue cover
number sold\t140\t110\t100\t150
1.) how many phone covers were sold last year?
2.) if a store wants to order 1,000 covers this year, how many of each color should they order?

Explanation:

Step1: Sum all sold covers

$140 + 110 + 100 + 150$

Step2: Calculate total sold covers

$140+110=250$; $250+100=350$; $350+150=500$

Step3: Find proportion of each color

Red: $\frac{140}{500}=0.28$; Silver: $\frac{110}{500}=0.22$; Clear: $\frac{100}{500}=0.2$; Blue: $\frac{150}{500}=0.3$

Step4: Calculate 1000-order quantities

Red: $1000 \times 0.28$; Silver: $1000 \times 0.22$; Clear: $1000 \times 0.2$; Blue: $1000 \times 0.3$

Answer:

1.) 500
2.) Red Cover: 280, Silver Cover: 220, Clear Cover: 200, Blue Cover: 300