100% = 25 so 25 + 15%
15% = .25 (25 divided by 100= .25) x 15 = 3.75
25 + 3.75 = 28.75 so C
Answer:
The price dropped by $5.45.
Step-by-step explanation:
Initial price = $50.00
Less 10 % = -5.00
1st sale price = 45.00
Less 10% = -4.50
2nd sale price = 40.50
Plus 10 % = +4.05
Final price = $44.55
Change in price = final - initial
= 44.55 - 50.00
= -$5.45
The price dropped by $5.45.
Part C:
y = total cost
M = minutes
You can talk on the phone only 100 minutes per month
Company A:
y = 0.04M + 5
y = 0.04(100) + 5
y = 4 + 5
y = 9 $9 per month
Company B:
y = 0.10M + 2
y = 0.10(100) + 2
y = 10 + 2
y = 12 $12 per month
Company A offers the best deal because at Company A you have to pay $9 for 100 minutes per month, and at Company B you have to pay $12 for 100 minutes per month, so you have to pay $3 less.
Part D:
1.) With a budget of $30, Company A would allow me to talk longer on the phone. I know this because for Company A, you pay $3 less per month for the same amount of minutes as Company B. This means that I will save more money with Company A, and I can buy more minutes. (something like this)
Step-by-step explanation:
That is what your line should look like :)
6/8, 3/4
each student have ~3/4 of a cake slice
