Answer:
x= 4 or <
Step-by-step explanation:
$70.88
x/67.5=5/100
cross multiply
100x=337.5
divide 100
x=3.375 or 3.38
67.50+3.38= 70.88
2/5 multiply the top and bottom number by 20 you get 40/100 which is the same as 40%
Simplified: x^3+5x^2-2x+1
in standard form: x^3+5x^2-2x+1
