A balloon is 15 feet above the ground and rising at a rate of 10 feet per minute. A second balloon is 40 feet above the ground and descending at a rate of –2.5 feet per minute. How long will it take for the balloons to be at the same height?

Both of the ballon will meet at 35 above ground

Step-by-step explanation:

1st ballon:15 add 2 min will give you 35 { 15+10+10 }

2nd ballon: 40 add -2 min will give you 35  { 40+(-2.5)+(-2.5) }

pla·gia·rism

/ˈplājəˌrizəm/

learn to pronounce

noun

the practice of taking someone else's work or ideas and passing them off as one's own.

step-by-step explanation:

answer:

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21  

-7 + ? = 21

-7 + 28 = 21

hope it