Answer:
4 +2
Step-by-step explanation:
= ×
=
=6 + 6 -
-
=6 + 6 - 4 -
=6 + 2 -
=6 + 2 - 2
=4 +2
for = 2
,
=
= ()^2 ×
=2 ×
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2 answers:
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Answer: Option D
D. 880 = 45d + 70; 18 days
Step-by-step explanation:
We know that the cost of preschool is $ 45 per day plus a monthly fee of $ 70.
We also know that a total of $ 880 was paid last month
To write an equation that represents this situation, let us call d the number of days that Barry attends school
So the cost was:
Now we solve the equation for the variable d
The answer is the option D