Question

can you guys please help me answer all of those questions on the picture?? I'm having some difficulties! thanks

Answer 1

6) expression: 8+ 3x

7) money spent = 8+ 13× 3 = 8+ 39 = 47 dollars !!

8) putting values ;

6×7+ 12× 3/4
= 42+ 9
=51

9) 500- 15×15
= 500-225
= 275

10 ) area = .5× 18 × 20
= 180 sq in

Answer 2

For the last three literally just plug the values in. For the first two, you nees the equation. Since he paid 18 just to go in, regardless of how many rides he goes on, you start with +18. Then, for every ride he has to pay 3, so it would +3r, so then the total he pays for r rides is 3r+18. Then for the second question, he rode 13 rides, so plugging in 13 we get 57.