Question

Please help me on #20 and #21 and I will help you back;)

Answer 1

3x9 = 27
2x4 = 8
4x3 = 12

27+8 = 35
35+12 = 47
47-10 = 37

You have 37$ left to pay. You get your answer by multiplying the amount of dinners or meals by the money, and add them all together and subtract the 10$ coupon.