Colin bought a postcard for 45 cents . he gave the cashier $1 how much change did he receive
1 answer:
You might be interested in
Answer:
B
Step-by-step explanation:
start by multiplying the 6a to each number in the other set of parenthesis.
after doing so, you end up with the numbers: and
now multiply the one to each number in the other parenthesis. you get this:
and
.
then set it all next to each other: +
then combine like terms (-54a and 2a) you get:
so that is how you get B for the answer