Answer:
262.6/300% for the first 3 test if you were to add another test it would be 400% total and you need 360% of test grades to have an average of 90% and so 360 - 262.6 = 97.4%
Step-by-step explanation:
40 is the answer
15x40=600
Answer:
a number or placement number
Step-by-step explanation:
Answer:
.62 cents per box
Step-by-step explanation:
Take the total cost and divide by the number of boxes to get the unit cost
4.98 / 8
.6225 per box
It states to round to the nearest cent
.62 cents per box
Answer:
b = 7
Step-by-step explanation:
Given
8 - (3 + b) = b - 9 ← distribute parenthesis on the left by - 1
8 - 3 - b = b - 9, that is
5 - b = b - 9 ( subtract b from both sides )
5 - 2b = - 9 ( subtract 5 from both sides )
- 2b = - 14 ( divide both sides by - 2 )
b = 7