Answer:
1 = x and -2 = y
I am fairly happy with this answer
Answer:
9-5 or 1/4-5
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
3*6 - 6/2
18 - 3
15
Answer:
$159.95
Step-by-step explanation:
Let price of trumphet be defined by 
price of clarinet = $139.95
Number of clarinets sold = 19
Earning through clarinets' sale = 
Total earning of store = $4578.45
Earning through trumphets' sale = 
price of one trumohet = 
price of clarinet = $159.95
2 hole pizzas equal 16 because 1 pizza has 8 slices so make 1/4 a decimal which is 4 4/16 equals 4 so for 4 friends 1/4 is left and do the same to the 21/3 which equals 7 so 7 +4 = half the amount to fead the friends