what is the percent increase of 40 to 70

Answer:75%Step-by-step explanation:To know the answer, you should take into account that, 70 equals 1,75 times 40. This is because [tex]\frac{70}{40}=1,75[/tex].Then, if 70 equals 1,75 times 40, it is 0,75 = 75% greater than 40.