Answer:
A
Step-by-step explanation:

28/21=42/x multiply both sides by x
28/21x=42 divide by 28/21 on both sides ( or multiply both sides by 21/28)
X= 63/2
X= 31 1/2
$55 this is shown by doing 80/100=0.80. and 0.80*55=this is the answer
To start you add the 2 x and 2 p so you have 2p times 2x times 4
Answer:
it's only five points tho...
Step-by-step explanation:
not fair, dont lie