21/72
then simplified
= 7/24
Answer:
x=4 and y=1
Step-by-step explanation:
4x-y=15
2x+y=9
6x=24
x=24/6
x=4
4x-y=15
4(4)-y=15
16-y=15
-y=15-16
-y=-1 Divide both sides by -1
y=1
Answer:
w
Step-by-step explanation:
i think its b
Answer:
Step-by-step explanation:
Firstly convert each number into an improper fraction. 2 1/4 would become: 9/4 (because we multiply 2 and 4 and plus the numerator, to get the numerator and keep the denominator the same). Do this to all the numbers then multiply the numerator by the numerator and the denominator by the denominator. simplify normally and convert to a mixed number.
Answer:
9 I THINK
Step-by-step explanation:
77 minus 14 equals 63 and 63 divided by 7 equals 9