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3 years ago

Which amount is greater:50% of 40 or 40% of 50?

Mathematics

2 answers:

Maru [420]3 years ago

4 0

Answer:

None. They are equal.

Step-by-step explanation:

so x/40=50%/100

=20

x/50=40%/100

=20

Rina8888 [55]3 years ago

3 0

50% of 40 is 20, and 40% of 50 is 20, neither one is greater, they're equal

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Lucia has 3.5 hours left in her workday as a car mechanic. Lucia needs 1/2 of an hour to complete one oil change.

MatroZZZ [7]

Answer: So Lucía has 3.5 hours left, and need 1/2 of an hour (or 0.5 hours) to do one oil change.

a) If you divide the total time she has by the time she needs for each oil change, then you got the total number of oil changes that she can do in that time; this is:

3.5/0.5 = 7

So she can do 7 oil changes in 3.5 hours.

b) If she can complete two car inspections in the same amount of time it takes her to complete one oil change, then she can do two car inspections in 0.5 hours.

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then one car inspection will take 0.5/2 = 0.25 hours.

c) Two ways to solve this:

1) Do the same that we did in a), this is: 3.5/0.25 = 14

she can do 14 car inspections.

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REY [17]

I think the answer is c

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19% of 43 estimated answer

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