2 Answers

Fernando Maymone · Answer 1 · 2021-08-16T13:07:59+0000

Answer:

4 tours.

Explanation:

Let x represent number of tours.

We have been given that 4 tour groups took a trip to the national museum. There are 35 people in each group.

Let us find total number of people in 4 groups.

$\text{Total number of people in 4 groups}=35* 4$

$\text{Total number of people in 4 groups}=140$

We are also told that a maximum of 40 people were allowed on a tour at 1 time. So people who will see museum in x tours would be
40x .

The number of people who will visit museum in x tours should be greater than or equal to 140.

$40x\geq 140$

$(40x)/(40)\geq (140)/(40)$

$x\geq 3.5$

Since we cannot take 0.5 of a tour, therefore, the least number of tours that needed for all the people to take the tour would be 4.

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