I’m pretty sure it would take 2hrs but I’m not completely sure but I think
We have:
5(x + 7) = 85 |divide both sides by 5
x + 7 = 17 |subtract 7 from both sides
x = 10
1 adult=2
1 child=1
multiply 2*8=16 adult glasses
multiply 1*5=5 child glasses
in total she needs 21 glasses
hope I was helpful
Answer:
the answer is choice a your welcome
