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il63 [147K]
4 years ago
5

Mr.grant spent $8.40 to place an ad in the newspaper. this price included one time fee of $6.00 plus $0.08 per word.which method

can be used to determine the total number of words in the ad mr.grant placed
a.(8 .4 ×6)0.08
b.(8 .4-6)÷0.08
c.(8 .4+6)÷0.08
d.(8 .4÷00.8)6
plz help me
Mathematics
1 answer:
gregori [183]4 years ago
3 0

Answer:

The cost of the one word is $30 .

Option (b) i.e \frac{8.4- 6}{0.08} is used to determine the total number of words in the ad mr.grant placed.

Step-by-step explanation:

Let us assume that the number of words in the ad be x.

As given

Mr.grant spent $8.40 to place an ad in the newspaper.

This price included one time fee of $6.00 plus $0.08 per word.

Than the equation becomes

8.40 = 6 .00 + 0.08x

Simplify the above

8.4 = 6 + 0.08x

8.4 - 6 = 0.08x

x = \frac{8.4- 6}{0.08}

x = \frac{2.4}{0.08}

x = \frac{24\times 100}{8\times 10}

x = \frac{2400}{80}

x = $30

Therefore the cost of the one word is $30 .

Option (b) i.e \frac{8.4- 6}{0.08} is used to determine the total number of words in the ad mr.grant placed.



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