Answer is d) 20 cubic millimeters and I showed working in the pic
The answer might be D I don’t understand either
Answer:
44 cookies
Step-by-step explanation:
add the remaining cookies to the ones he gave away
(8+14)=22
double that
22x2
answer
44
Answer:
2 1/2 (2.5)
Step-by-step explanation:
Multiply all the numbers then divide by 1/2
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
