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Elza [17]
3 years ago
7

Use a word problem using integers and slove it in 3 ways

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
3 0
What integers do you want the problem to be
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One person can do a certain job in 15 minutes and another person can do the same job in 30 minutes. How many minutes will it tak
Flauer [41]

Hello! Your answer is B, 10 minutes.

Say the x = minutes taken to do the job. You can set up an equation like this to solve this.

\frac{1}{15} x + \frac{1}{30} x = 1

This is representative of the situation. The fractions each represent <u>how much each person does in a minute</u>, and when they're multiplied by x, that's <u>how much of the project they get done</u> based off of the minutes they work together on the job. Add the two together, and you get <u>how much of the project is finished in x amount of time</u>. Set it equal to 1, as you are looking for 100% completion.

Once you have this equation, find a common denominator, add, and solve.

\frac{1}{15} x + \frac{1}{30} x = 1

\frac{2}{30} x + \frac{1}{30} x = 1

\frac{3}{30}x = 1

\frac{1}{10}x = 1

x = 10

Therefore, it will take them 10 minutes to do the job together.

Hope this helps!

8 0
3 years ago
In triangle XYZ, the measure of angle YXZ is 14.5*, and the measure of angle XYZ is 75. What is the measure of
sergiy2304 [10]
I believe the measure of angle XZY is 90.5°
5 0
2 years ago
What is the value for x? Enter your answer in the box.
Lynna [10]

angles BAC and BCA are equal = 69

69 +69 = 138

angles in a triangle =180

180-138 = 42

5x + 2 = 42

5x = 40

x = 8

8 0
3 years ago
Read 2 more answers
Write (2 and 4/5) as a percent and then a decimal.<br><br><br><br> please help i don’t understand
worty [1.4K]
Percent is 480% and the decimal is 2.8
6 0
2 years ago
Leslie needs 324 inches of fringe to put around the edge of a tablecloth.The fringe comes in lengths of 10 yards.Of Leslie buys
Delicious77 [7]
324 inches = 27 feet.

10 yards = 30 feet

30 - 27 = 3.

Final answer: 3 feet of fringe will be left over.

P.S, could you mark this the brainly answer?  :)






3 0
3 years ago
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