Answer:
7
Step-by-step explanation:
Substitution then simplify
Answer:
hope it would help you
Step-by-step explanation:
the ans should be A
mark my ans as BRAIN LIST
Answer:
Mark makes more money than Stan.
Step-by-step explanation:
There are about 52 weeks in a year. If you multiply $685 by 52, it will be $36,305.
Step-by-step explanation:
try to impose the process of elimination and see if that helps
Answer: There are 69 adults and 72 children went to the concert.
Step-by-step explanation:
Let x be the number of adults, and y be the number of children.
x + y = 141
3.5x + 2.5y = 421.5
x + y =141
x = 141 - y
3.5(141 - y) + 2.5y = 421.5
493.5 - 3.5y + 2.5y = 421.5
493.5 - y = 421.5
-y = -72
y = 72
x + y = 141
x + 72 = 141
x = 69
