6 / 21.6 = 1 / x
cross multiply
6x = 21.6
x = 21.6/6
x = 3.6
so ur answer is A : 1 in : 3.6 ft
Answer:
×=1
Step-by-step explanation:
-7x+5x=-10+8
-2×=-10+8
x=1
Calculate the percentage increase,work out the difference (increase) between the two numbers you are comparing. Then divide the increase by the original number and multiply the answer by 100.
520-500 = 20
20÷500 =.04
.04 ×100= 4%