Width=1cm and length=21cm or width=3cm and length=7cm.
Answer:
11 hours
Step-by-step explanation:
let he works at first store x hours and at car wash y hours. Then
x+y=25
multiply by 4
4x+4y=100 ...(1)
12x+15y=333
divide by 3
4x+5y=111 ... (2)
(2)-(1) gives
y=111-100=11
IF i did my math correct it should be the 2nd answer b
Here is my answer, hope to help you
First of all we want to find a common denominator so we can add them together.
40 is our Lowest Common Multiple.
5/8 = 25/40
1/5 = 8/40
25/40 + 8/40 = 33/40
