If you mean how many minutes are in 2.5 hours the answer is 150 minutes sorry if you meant it another way
1 box = 100 buttons
10 boxes = 1000 buttons
5 boxes = 500 buttons
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15 boxes = 1500 Buttons
Use a system of equations:
For his trip on the way there:
D = 7*s
For his trip on the way home you have:
D = 5*(s+18)
use substitution to solve
An expression given is to subtract a – b – c from the sum of 3a – 2b + 4c and 3b – 2c .
<h3>What is the
expression about?</h3>
An expression in math is known to be the putting together of numbers, variables, etc.
For the expression above,
(3a - 2b + 4c) + (3b - 2c) - (a - b - c)
Therefore:
= 3a - 2b + 4c + 3b - 2c - a + b + c
The answer will be = 2a + 2b + 3c
Learn more about expression from
brainly.com/question/723406
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