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defon
1 year ago
11

The following table shows the salary of 7 people in an office last year. Name Income Andy £9500 Bevan £30000 Cheryl £11250 Deva

£72000 Elliott £12750 Frankie £29500 Grace £11000 a) Work out the mean income to 2 DP. b) Deva was given a large bonus for 30 years service. Excluding Deva's income, what was the mean income for the remaining 6 workers to 2 DP?
Mathematics
1 answer:
Ber [7]1 year ago
4 0

a) The mean income to 2 DP is £23714.28. b. If Deva's income is excluded, then the mean income will be £16,500.

<h3>What is addition?</h3>

The addition is one of the mathematical operations. The addition of two numbers results in the total amount of the combined value.

a.

Andy = £9500

Bevan = £25000

Cheryl = £11250

Elliott = £12750

Frankie = £29500

Grace = £11000

Deva = £72000

Total Income = £166,000

To get the mean Income, we will divide the total income by 6 which is the number of people.

= £166,000/7

= £23714.28

b. If Deva's income is excluded, there'll be 6 people left.

Total income = £99000

Mean income = £99,000/6

= £16,500

a) The mean income to 2 DP is £23714.28. b. If Deva's income is excluded, then the mean income will be £16,500.

Learn more about addition here;

brainly.com/question/16972068

#SPJ1

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Answer: He can predict that 420 students will be in support of the purchase.

Step-by-step explanation:

Since Randy surveyed one student out of every 5 he came across in the cafeteria, it means that if he came across five people, he will survey one, if he came across ten students, he will survey 2 and so on.

If then he surveyed a total of 140 students, then we can actually multiply the number by 5 to know the exact number of students he possibly came across in the cafeteria:

= 140 × 5

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If 84 out of the surveyed students supported the purchase, we can find what that figure represents in the total number of students in the cafeteria:

84/140 = x/700

We cross multiply

140 × X = 84 × 700

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3 years ago
Game Go charges $0.79 per game rental and a membership fee of $24. Action Games charges $1.19 per game rental. With how many gam
nexus9112 [7]

Answer:

x=60

Step-by-step explanation:

Simplifying

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Reorder the terms:

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Solving

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Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1.19x' to each side of the equation.

24 + 0.79x + -1.19x = 1.19x + -1.19x

Combine like terms: 0.79x + -1.19x = -0.4x

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Combine like terms: 1.19x + -1.19x = 0.00

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Add '-24' to each side of the equation.

24 + -24 + -0.4x = 0.00 + -24

Combine like terms: 24 + -24 = 0

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Combine like terms: 0.00 + -24 = -24

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Divide each side by '-0.4'.

x = 60

Simplifying

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Step-by-step explanation:

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