Answer:
7
Step-by-step explanation:
3=4x-5
3+5=4x
8=4x
X=8/4=2
X=2 and Y=3
Answer:
50
Step-by-step explanation:
5,500 is 50 percent of 11,000 :)
Hope This Helps.
Answer: 12 blue marbles
Step-by-step explanation: Set up a proportion.
4/5 = x/15
Solve for x, the number of blue marbles. Cross multiply. You will get 60 = 5x
Divide by 5 on each side.
x = 12
There are 12 blue marbles.
Answer:
If Carley ran the 400 meter run in a total of 55.7 seconds and she beat the record by 1.3 seconds, you would add 55.7 and 1.3
55.7+1.3= 57 seconds
The past school record for the girls 400 meter run was 57 seconds
Hope this helps ;)