18-15 divided by 3 +7

Well 18-15 is 3. Then 3+7 is 10 then you need to divide. Which equals 0.3

Step-by-step explanation:

18-15=3

3+7=10

10/3= 0.3

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

x = 3 ± √(5+y)