Make a ratio, then cross multiply.
4/30=x/48
30x=4x48
30x=192
x=6.4
7.84
Steps on how I solved it
2.8x2.8= 7.8
The question simply means how many pizzas are sold per coupon. The equation gives us 3.4x where x is the number of coupons issued. With each coupon issued 3.4 pizzas are sold.
Cross-Multiply
(5x/2)*(5)=(3/1)*(11)
12.5x=33
Divide both sides by 12.5
12.5x/12.5=33/12.5
x=2.64
I hope that's help ! Please don't forget to write it as a fraction in lowest terms. I am totally don't remember . Good night .
