Plea

identify the mistake that was made simplifying the expression. then correctly simplify the expression.

5(a+7) - 3(2a+3) - 3a
5a + 35 - 6a + 9 - 3a
(5a - 6a - 3a) + (35 + 9)
-4a + 44

Step-by-step explanation:

The mistake is in 2nd step . There should be - 9

Correct :

5a + 35 - 6a - 9 - 3a

-4a + 26

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98