Answer:
Company A's cost would be $530
Company B's cost would be $610
difference is $80
Step-by-step explanation:
Answer:
x = 15
Step-by-step explanation:
MN:RS
18:30
MQ:RU
Known:Known
QP:TU
15:Known
NP:ST
x:25
18/30 = x/25
30x = 18*25
30x = 450
x = 15
No real way to solve it, with the knoledge of the perfect squares (1,4,9,16,25,49 ect) you can do the simple ones but more complicated ones require a calculator to solve it in decimal form