Answer:
-6mph
Step-by-step explanation:
45 is 3/4hour so -8 times 3/4= -24/4=-6mph
45
× 90 = 45
Decrease means to subtract the amount by 45, then
90 - 45 = 45
The cost is given for <em>1 sweatshirt</em>. To find the cost of 15 sweatshirts, we need to multiply the expression by 15. Let's do this:
This is the expression that represents the cost of 15 sweatshirts.