Will sold 111 more apricot cookies than blueberry cookies on Monday. On Tuesday, the number of blueberry cookies he sold decreased by 30% while the number of apricot cookies he sold remained the same. He sold each tart for $4.80. He sold a total of 689 cookies on Tuesday. How much money did he receive from the sale of cookies on both days?
| |
Apricot cookies |
Blueberry cookies |
Total |
Comparing apricot
and blueberry cookies
at first |
111 more
|
|
|
| Before |
10 u + 111 |
10 u |
20 u + 111 |
| Change |
|
- 3 u |
|
| After |
10 u + 111 |
7 u |
17 u + 111 |
30% =
30100 =
310Total number of cookies sold on Tuesday
= 10 u + 111 + 7 u
= 17 u + 111
17 u + 111 = 689
17 u = 689 - 111
17 u = 578
1 u = 578 ÷ 17 = 34
Total number of cookies sold on Monday
= 10 u + 111 + 10 u
= 20 u + 111
Total number of cookies sold on both days
= 17 u + 111 + 20 u + 111
= 37 u + 222
= 37 x 34 + 222
= 1258 + 222
= 1480
Total amount received from the sale of cookies on both days
= 1480 x 4.80
= $7104
Answer(s): $7104
