X + y = 19
x - y = -7
Subtract both
2y = 26, y = 13
Plug into first equation
x + 13 = 19
x = 6
Solution: x = 6, y = 13
Answer: The number doubles each hour.
Step-by-step explanation:
Answer:
d
Step-by-step explanation:
i got it right
Answer:
0.45=9/20
27/50=0.54
4/5=80
17/25=0.68
38%=19/50
Step-by-step explanation:
To convert the measurement in feet to inches, multiply it by 12. 6 1/2 feet is equal to 78 inches. The bookshelf bought by Mrs. Aguilar has a width that is 1 inch lesser than the distance between windows. This suggests that the bookshelf will fit in the allotted space.
