3x + 8y = -5
+ -2x + 2y = 18
______________
10y = 13
Solve for y, then put the value of y back into one of the equations to get the value of x.
Answer:
4????
Step-by-step explanation:
55÷5 which then could be solved to get the answer of eleven.
so first you find out how many she can bake in 1 hour so you divide 105 and 3 which is 35
so since she bakes 35 cookies and hour you multiply 35 by how many hours she cooks
so 35 x 3 =105 35 x 5=175
Ali cooks 175 cookies in 5 hours