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lys-0071 [83]
3 years ago
8

Let x represent an unknown number. Write an equation that represents the given statement. Then find the value of the unknown num

ber.
Eleven less than seven times a number is -4. Find the number.
Part: 0/2
Part 1 of 2
An equation that represents the given statement is
D=D
5
Mathematics
1 answer:
LenaWriter [7]3 years ago
7 0

Hey there! I'm happy to help!

If something is 11 less, we are subtracting 11.

-11

We have 11 less than seven times a number x.

7x-11

The word is means equals.

7x-11=-4

Now we need to isolate the x. We add 11 to both sides.

7x=7

We divide both sides by 7.

x=1.

Have a wonderful day! :D

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The equivalent expression would be   S = F + 4

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Margie babysits for two families. Mr. and Mrs. Smith pay her $6.50 an hour to babysit their son, Shea. Mr. and Mrs. Jones pay Ma
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Answer:

A) \$ 6.5\timesx is the expression to represent total amount of money she earns babysitting for Smith family.

B) \$45.5 she will earn for Smith family for 7 hours

C) It would take 12 \ hrs for Margie to make \$78 when babysitting for the Smith family

Step-by-step explanation:

Given.

Mr. and Mrs. Smith pay Margie \$6.50 an hour to babysit their son, Shea.

Mr. and Mrs. Jones pay Margie $8 an hour to babysit their children, Sarah, Susan, and Dawn.

Let x be number of hours.

Solving for Part A.

Amount of Money earn from Smith family = Pay per hour \times Number of hours =\$ 6.5 \times x= \$ 6.5x

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