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snow_tiger [21]

2 years ago

15

a gardener spends half an hour to mow and weed the lawn which has a measurement of 24 m × 15 m. He is paid $25 per hour. how muc

h is he paid for a lawn which has a measurement of 48m × 30m?

1 answer:

Ugo [173]2 years ago

6 0

Answer:

$100

Step-by-step explanation:

Half - a - hour = (24*15) =360 m

one hour payment $25

hour(?) =(48*30) = 1440 m

1440/ 360 = 4 hours

So, 25*4 =$100

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So, Day 1 : 2b + 5s = 104 (i) , Day 2 : 3b + 4s = 128 (ii)

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It’s a new semester! Students are grouped into three clubs, which each has 10, 4 and 5 students. In how many ways can teacher se

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Here we must see in how many different ways we can select 2 students from the 3 clubs, such that the students <em>do not belong to the same club. </em>We will see that there are 110 different ways in which 2 students from different clubs can be selected.

So there are 3 clubs:

Club A, with 10 students.
Club B, with 4 students.
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The possible combinations of 2 students from different clubs are

Club A with club B
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The number of combinations for each of these is given by the product between the number of students in the club, so we get:

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For a total of 40 + 50 + 20 = 110 different combinations.

This means that there are 110 different ways in which 2 students from different clubs can be selected.

If you want to learn more about combination and selections, you can read:

brainly.com/question/251701

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2 years ago