Front end estimation for this question would be to the nearest hundred. So 125 rounded to the nearest hundred is 100, 123 to the nearest hundred is 100, 392 to the nearest hundred is 400, and 294 to the nearest hundred is 300. Adding 100 + 100 + 400 + 300 would be 900.
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Hope this helps!
Answer:
D.) 89.33°
Step-by-step explanation:
Use the inverse:

Insert this value into a calculator:

Round to the nearest hundredth:

The missing value is 89.33°.
Rental - $28
Ingredients- $33
Total $61.00
At $1.30 each you can guesstimate he'd have to sell almost 60 cones to break even.
OR
You can divide 1.30 into $61.00 for about 47 cones to break even. (I rounded up)
To make a profit he would either need to sell double that amount or he could raise the cost of his cone to $2.00 & make profit sooner.