This is the whole problem : Paul bought 9 total shirts for a total of $72. Tee shirts cost $10 and long sleeve shirts cost $7. How many of each type of shirt did he buy?
now solve the quadretic eq. for the value of a
I hope it help to u
Answer:
3x + 8y = 72
19x + y = 72
Step-by-step explanation:
dubbles = x
mimstoons = y
Standard form:
Ax + By = C
3x + 8y = 72
(6,2) would be the final point