Answer:
the answer is c
Step-by-step explanation:
Answer:
x = 60.
Step-by-step explanation:
Do 6 * 10 to find x. 6 * 10 is 60, which is the answer.
Answer:
x = - 7.5
y = 11.1
Step-by-step explanation:
3x + 5y = 27
- 7x - 5y = 3
add the two equations
- 4x = 30
divide by - 4
x = - 7.5
plug x into an equation to find y
- 7 ( - 7.5 ) - 5y = 3
52.5 - 5y = 3
subtract 52.5
- 5y = - 55.5
divide by - 5
y = 11.1
hopefully this helps you out
Answer:
b
Step-by-step explanation:
Well 23 books less 5 is 18 because 23 - 5 = 18 so I assume this is what you're looking for?