The answer is 3
Multiply 6 by 3 to get the total amount of money for the books then minus the answer 18 which you get from 6 x 3 = 18
Then minus 18 from 21 to get $3
21 - 18 = 3
Answer:
7x+12
Step-by-step explanation:
You do 10x-3x since they both have the x variable they can be combined to make 7x and the 12 is left alone.
Answer:
-7/5
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(1-8)/(6-1)
m=-7/5
Answer:
£1134
Step-by-step explanation:
0.5%×6 = 3.0% ≈ 3%
× 2200 = 3 × 22 = 66 (we shorten the zeros ⇒ ∅∅)
2200 - 66 = £1134
.22 - move the percent over left two times and replace with decimal
