Answer: D. -1(3x+2)(x+1)
Step-by-step explanation: First, use the F.O.I.L. method (First, Outer, Inner, Last). Then combine all your like terms. After, multiply the whole outcome by negative one. So, 3
turns into -3; 5x turns into -5x; and 2 is -2. BOOM! you got the exact right answer.
Ok, so oriiginal+tax
if tax is in %, remember that x%=x/100
example, first one
1. tax is 5%, so we find 5% of 1.95 which is 0.05 times 1.95 which is .0975 or about 10 cents so total is 1.95
but wait, we found a shortcut
1(1.95)+0.05(1.95)=original+tax
we can undistribute the 1.95
1.95(1+0.05)=original+tax
so therfor we conclude that
oriignalprice(1+taxindecimal)=sale price
neato
1. sale price=1.95(1.05)=$2.0475 or about $2.05
2. sale price=58.50(1.01)=$61.425 or about $61.43
3. sale price=49.45(1.02)=$50.439 or about $50.44
4. sale price=58.50(1.01)=$61.425 or about $61.43
5. sale price=2500.00(1.01)=$2525.005.
6. sale price=50.00(1.02)=$51.00
7. sale price=149.50(1.02)=$152.49
8. sale price=2800.00(1.01)=$2828.00
9. sale price=2000.00(1.06)=$2120.00
10. sale price=9.50(1.06)=$10.07
11. sale price=4.95(1.05)=$5.1975 or about $5.20
12. sale price=50.00(1.06)=$53.00
13. sale price=299.95(1.06)=$317.947 or about $317.95
The answer is 55. Unless you need to find the exact answer for both video games and movies, then it is a completely different story.
Answer:
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