please check my answers !
21. Find the unit price for each option shown below. Round to the nearest cent when necessary. Indicate which option is the better buy.
Option I: 10 candy bars for $6.75
Option II: 12 candy bars for $7.25
ANSWER= 10/$6.75=$1.48
12/$7.25=$1.65 10 Units cheaper
(I PICK OPTION 2)
22.Calculate the final price you would pay to buy jacket that originally sells for $65, but is discounted by 40%; you also have to pay 5% sales tax
ANSWER=65 x 0.6=30 39 x 1.05=40.95
23.
Katy was picking berries. She picked 270 in 18 minutes. How many will she have picked in 25 minutes?
ANSWER:270 divided by 18=15 she picked 15 ever minute. 15 x 25=375. she picked 375 berries in 25 minutes
24.Solve the proportion. 16/50=x/156.25
Answer= 16/50=50/156.25
50(50)=(16) (156.25)
2500=2500
X=50
25.green(42%) blue is soccer
blue(25%) red is baseball
red(33%) green is football
If 210 people said football was their favorite sport to watch, how many people were surveyed?
ANSWER=500 people where surveyed.
210 by 42=5
1%=5 people
100% x 5 people=500
Here is the answer and how to explain it.
ANSWER=500 people where surveyed.
210 by 42=5
1%=5 people
100% x 5 people=500
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