I think the answer to this is: 25q + 10d + 5n + 60 = 87
The story says that you have 1 dollar and 87 cents; 60 cents
of which is pennies. So, if you’re using an equation involving quarters, dimes
and nickels, the total equation should equal to 87 cents (since that dollar
bill could not be broken down to cents).
The expressions that could represent how much Leila pays in total for the model
\dfrac{107}{100}x
100 107 Option A is correct.
This is further explained below.
<h3>Which of the following expressions could represent how much Leila pays in total for the model?</h3>
The price of the model is x
Now we are given that she also has to pay a 7 tax.
Amount of tax =7 % x

the Total cost

In conclusion, the statement might signify Leila's overall cost for the model. 
Read more about expressions
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Answer:
c) 380 m²
Step-by-step explanation:
A = π·r²
= 3.14×121
= 379.94
≈ 380 m²
9t = 27.99
5t = ?
Cross-multiply : 9t? = 139.95t
?=15.55