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ZanzabumX [31]
3 years ago
7

It took Jane 1 hour and 20 minutes to do her math homework while it took Ava just 45 minutes. Find the ratio of time it took Jan

e to do her homework to the time it took Ava to do hers.
Mathematics
1 answer:
Zinaida [17]3 years ago
7 0

Answer:

9:16

Step-by-step explanation:

so the ratio is 1hr 20min to 45 min which is the same as saying 80 min(because an hour is 60 min) to 45 min. now we simplify both by 5 to get 9:16

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Loris makes 20 bracelets in 50 minutes. Doris makes 44 bracelets in 2 hours. who makes more bracelets per hour. how many more?
Sedaia [141]
To do this, you'll have to get loris and doris to the same amount of time, we can already tell loris makes 40 bracelets in 100 minutes but we are still missing 20 minutes, so we got to do some math(Ofc we do its mathematics) if you divide 50 by 20 you'll get 2.5 which is how many minutes it takes to make a bracelet. So now we can go back to that missing 20 minutes, if you divide 20 by 2.5, you'll get 8. So in 2 hours loris makes 48 bracelets(20 + 20(50 hours each)=40 + 8(the missing 20 minutes) = 48) But here is the tricky part it says per an hour, so we need to reduce both by half, so loris makes 24 bracelets an hour and doris makes 22 bracelets an hour so loris makes 2 more bracelets and hour than doris... hope i've helped!
3 0
3 years ago
Exam​ question: You can buy a 57​-pound bag of flour for ​$ 11 or you can buy a​ 1-pound bag for $ 0.41 Compare the per pound co
egoroff_w [7]

Answer:

Step-by-step explanation:

57 lb bag for $ 11  or 1 lb bag for $ 0.41

11/51 = 0.215 .....rounds to 0.22 ......this is the correct way...... the student messed up and divided wrong.

the large bag only charges $ 0.22 per lb, whereas, the small bag charges $ 0.41 per lb.

3 0
3 years ago
Is the question asking to see if x = 1, y=-2, and z=2 by solving the three equations?
dybincka [34]

Answer:

2 × 1 +2 +2×2 =8

2+2+4=8

8=8

3×1 +3× -2 + 4×2 =5

3-6+8=5

5=5

1+2 × -2 +2 = -5

1-4+2= -5

-5 = -5

6 0
2 years ago
Figure A - Figure B. Find the volume of figure B.
Cloud [144]

Answer:

use this to help you

Step-by-step explanation:

In math, volume is the amount of space in a certain 3D object. For instance, a fish tank has 3 feet in length, 1 foot in width and two feet in height. To find the volume, you multiply length times width times height, which is 3x1x2, which equals six.

6 0
2 years ago
Help!! with any, ASAP
il63 [147K]
1.
409,509,609

Add 100
6 0
3 years ago
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