Answer:
Step-by-step explanation:
d = number of dimes
2.80 = 0.1d + 0.25 (d + 8 )
2.80 = 0.1d + 0.25d + 2 Combine like terms
2.80 = 0.35d + 2 Subtract 2 from both sides
0.80 = 0.35d Divide both sides by 0.35
d ≈ 2.29
No, it's not possible to have more quarters than dimes when the total is $2.80 because it's not possible to have part of a dime.
Answer:
Step-by-step explanation:
Given
Solving (a): The earnings.
This is calculated as:
Solving (b): New Value
This is calculated as:
So, we have:
Answer:
no, the numbers do not add up, nor does the triangle have any right angles
18+a, a=4
18 + 4
22
Hope this help!