If you meant -a minus -b, then this equation will then be -7 minus -16
-7-(-16)
-7+16
=9
Answer:
The first one is 10 and 2nd is 1/4
Answer:
Mari's mom paid more than Mari's dad.
Step-by-step explanation:
Mari's mom paid $27.39. This is a bit more than $27.
Mari's dad paid $23.79. This is a bit more than $23.
Since $27 > $23, then $27.39 > $23.79.
Mari's mom paid more than Mari's dad.
10 + 8a = 11d - 6....solving for a
8a = 11d - 6 - 10
8a = 11d - 16
a = (11d - 16) / 8 or a = 11/8d - 2 <==
3/4p - 2 = 5/6r + 5...solve for r
3/4p - 2 - 5 = 5/6r
3/4p - 7 = 5/6r
6/5(3/4p - 7) = r
9/10p - 42/5 = r <===
