3 years ago

The difference of r and 3 (what is an algebraic expression for the word phrase)

2 answers:

4 0

Hi!

Whenever we say 'the difference', it means subtraction. So, the difference of r and 3 is equal to r - 3.

Hopefully, this helps! =)

Juli2301 [7.4K]3 years ago

3 0

The answer is r-3 or 3-r

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B=number of ticets sold before
a=number of tickets sold after

cost of a ticket=number of tickets times cost per ticket
beforecost=39.95b
aftercost=54.95a

total cost=925000
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we have

39.95b+54.95a=925000
b+a=20000
multiply second equation by -39.95 and add to first equatin
39.95b+54.95a=925000
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15a=126000
divide bot sides by 15
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sub back
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b+8400=20000
minus 8400 both sides
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