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tyrique86
15.11.2019 •
Mathematics
Last year 8x people came to a party. this year, the number of people increased by 125%. write an expression for the total amount of people at the party this year in terms of x
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Ответ:
18x
Step-by-step explanation:
Last year, 8x people came to a party
Total number of people that came last year is 8x where x must be a whole number.
This year, the number of people increased by 125%. This means that 8x (total number of people for last year) increased by 125% which is a very big increment.
Total amount of people at the party this year would be
total amount of people at the party last year + 125% of total amount of people at the party last year.
An expression for the total amount of people at the party this year in terms of x would be
8x + (125/100 × 8x)
= 8x + 1.25×8x
= 8x + 10x = 18x
Ответ:
choice A m
Step-by-step explanation:
n= 1
m= 7
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