Answer:
A.
Step-by-step explanation:
7-6a=6-7a
+7a on both sides gives you
7-X= 6
Subtract 7 from both sides
-X= -1
Add the negative sign in front of the x to the -1
X= --1
This will end up to be
x= 1
308 + 397 + 389 + 286 = 1380
He drove 1380 miles
A = bh/2
A = 2.4 x 3 / 2
A = 7.2 / 2
A = 3.6 m²
They will need 4 bags of pebbles.
Answer:$120 for 4 pairs of jeans.$99 for 3 pair of jeans is $33 for each. $100 for two pairs, each pair sells at $50 each. $120 because you are only paying $30 for each pair of jeans.
Step-by-step explanation:120/4=30, 99/3=33, and 100/2=50