Answer:
(look below)
Step-by-step explanation:
i used to do ixl so heres an appropriate answer:
1 21
3 63
5 105
7 147
:3
Answer:
Let x and y be the two numbers. Then
yx=57 and x−y=20
Cross multiplying the proportion
5x=7y or y=75x
So, x−y=20
x−75x=20⇒77x−5x=72x=20
⇒x=2140=70
y=75x=75×70=50
So smaller number is 50.
Check :yx=5070=57 and 70−50=20
Answer: 1. x/h x h or $1.40/1h x 3.5h
2. $4.90
Step-by-step explanation: $1.40/1h x 3.5h= 1.4 x 3.5= 4.9
