Answer:
90x+5y
Step-by-step explanation:
Add
88x+2x=90x
4y+1y=5y
I believe it is c but I could be wrong...
Let the width be 2w. Then the lenght is 5w. So:
(2w)(5w)=490
10w²=490
w²=49
w=±7
So, 2w=width=14 in; and 5w=length=35 in
☺☺☺☺
Ratio 1:3 can be written as 1/3
sale price / original price : 1/3 = x / 81
this is a proportion, so we cross multiply
(3)(x) = (1)(81)
3x = 81
x = 81/3
x = 27 <== sale price
and notice that 1/3 = 27/81...these are equivalent fractions because that is what proportions are, equivalent fractions
I do math a little different so bare with me :)
104(total) - 24(8 for 2nd and 16 for 1st) = 80
80/3 = 26.6
if I did it right.
3rd place will receive $26.6
2nd will receive 26.6 + 8 = $34.6
and 1st will take 26.6 + 16 = $42.6