A store sells different colored pens. The circle graph below represents all pens for sale at the store. There are 200 black pens for sale at the store. How many blue pens are for sale at the store. In circle graph (black pens:40%, blue pens:35%) ?
2 Answers
Aug 3, 2018
175
Explanation:
Set up a ratio
let x = blue pens
35% = the percentage of blue pens
200 = black pens
40% = the percentage of black pens
multiplying both sides by 200 gives
Aug 3, 2018
200 pens = 40%
500 pens in total