It is said that dogs age seven years for every people year. Masons dog, sheep, was born on masons eighth birthday. When mason was nine years old, sheep was seven dog years old. In dog years, how old will sheep be on masons twelfth birthday?show all your mathematical thinking.

28

Step-by-step explanation:

so, if mason is 9 and the sheep is 7 year old in dog years

we have to do 7*4 ,because 9,10,11,12=4 that's why u multiply it by 4,and 7 because thats how many years dogs ages for every person that turns a year age

x=half

step-by-step explanation:

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign