Answer: C (18)
Step-by-step explanation: If we plug in 7 for z, 3 times 7 is 21. 21-3=18.
Answer:
3.5 hours
Step-by-step explanation:
The buses are separating from each other at a speed of 73+79 = 152 miles per hour. Since time = distance/speed, the time it takes to be 532 miles apart is ...
time = (532 miles)/(152 miles/hour) = (532/152) hours = 3.5 hours
Hi!
We will solve this using ratios, like this:
1 shelf holds 45 pounds
x shelves hold 270 pounds
______________________
x = (270*1)/45
x = 270/45
x = 6
6 shelves will be needed to hold 270 pounds of boxes.
Hope this helps!
Answer:
D
Step-by-step explanation:
She brings 3 donuts because a dozen is 12 and 1/4 of 12 is 3.
