Solve and explain your math thinking" 9+ 7

16

Step-by-step explanation:

We are given that an expression

9+7

We have to solve and explain

Addition property of integer:When we add two integers then we get an integer.

We have 9 and 7

Sum of 9 and 7

Hence, 9+7=16

5.5

step-by-step explanation:

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%