3 years ago

Estimate the sum of 23 and 71

2 answers:

8 0

Estimation:

23 --> rounded to 20
71 --> rounded to 70
70 + 20 = 90. I rounded both numbers down so the exact sum must be only a little greater than my estimate.

UkoKoshka [18]3 years ago

3 0

23 would be 20

71 would be 70

20 + 70 = 90

The actual answer is:

21 + 71 = 92

Hope this helps!

Bye :)

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3 years ago

5) One restaurant charges $7 per person and $1 admission fee. A second compant Charges $5 per

Assoli18 [71]

The people will there need to be in order for the second company to be less expensive in 1st restaurant.

Always assume the unknowns are variables when attempting to find them, and then construct the equation using the parameters specified in the question.

Admission fee for 1st restaurant = $1

Charge for 1st restaurant per person = $7

Admission fee for 2nd restaurant = $15

The number of employees required for 2nd restaurant need to have in order to be less expensive = x

Total amount needed for 1st restaurant = $1 + $7 = $8

To make the 2nd restaurant less expensive =

As the total amount of 1st restaurant is $8 and the admission fee 2nd restaurant itself is $15 2nd restaurant is more expensive than the 1st one.

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