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ivanzaharov [21]
3 years ago
10

Jim works at a furniture shop. He can assemble 88 chairs in 22 hours. If he can assemble c chairs in 1 hour, identify the equati

on that can be used to find the value of c.
22 x c = 88
88 x c = 22
88 + c = 22
88= c + 22
22 + 88 = c
Mathematics
2 answers:
LekaFEV [45]3 years ago
8 0
The answer would be:

22 * c = 88

If you wanted to know at all, c = 4

I hope this helps you! If it does, please rate Brainliest :D
BigorU [14]3 years ago
7 0
Answer: first option 22×c = 88

Justification:


This problem may be solved by setting a proportion.


A proportion is the equality of two ratios.


Here the first ratio is the number of chairs that Jim can assemble in 22 hours:


  88 chairs
--------------  
22 hours.

The second ratio is the number of chairs (c) that he can assemble in 1 hour:


   c
--------
1 hour

Then, when you equal both ratios you get the proportion:


88 chairs         c
------------- = --------
22 hours      1 hour


Solving for c, you get: c × 22 = 88, wich is the first option.

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A national survey indicated that 30% of adults conduct their banking online. It also found that 40% are under the age of 50. and
Svet_ta [14]

Answer:

Step-by-step explanation:

Hello!

I'll express all the given percentages as probabilities:

Given the events:

Banking online (Bo)

Under the age of 50 (<50)

P(Bo)= 0.30

P(<50)= 0.40

P(Bo ∩ <50)= 0.25

1) What percentage of adults do not conduct their banking online?

The event "adults that do not conduct their baking online" is the complement of the event "adults that conduct their baking online" Symbolically Bo^c

P(Bo^c)= 1 - P(Bo)= 1 - 0.30 = 0.70

2) What type of probability is 25%?

The probability P(Bo ∩ <50)= 0.25 is a joint probability, it indicates the intersection between both events.

3) Construct a contingency table showing all joint and marginal probabilities.

Check attachment.

4) What is the probability that an individual conducts banking online given that the individual is under the age of 50?

Symbolically:

P(Bo/<50)= <u> P(Bo ∩ <50) </u> = <u> 0.25 </u> = 0.625

                       P(<50)            0.40

I hope it helps!

4 0
3 years ago
Find the unit price rounded to the nearest cent: 6.5 pounds for $5.85 is ________ per pound.
Andrew [12]
It’s the first option.
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Answer:

208

Step-by-step explanation:

6×4=24

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5 0
3 years ago
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The A&amp;M Hobby Shop carries a line of radio-controlled model racing cars. Demand for the cars is assumed to be constant at a
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Answer:

Step-by-step explanation:

A) Demand per month= 40 cars

Annual Demand (D)= 12*40 = 480

Fixed Cost per order (K)= 15

Holding Cost= 20% of cost= 60 *0.2 = 12

a. Economic Order Quantity=

Q^{*}={\sqrt {{\frac {2DK}{h}}}}

= √(2*480*15)/12

=34.64 ~ 35

Total Cost =P*D+K(D/EOQ)+h(EOQ/2) P= Cost per unit

= 60*480+ 15(480/35) + 12(35/2)

= 28800+ 205.71+ 210

=$29215.71

B). Backorder Cost (b)= $45

Qbo= Q* × √( b+h/ h)

= 35*√(12+45/ 45)

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Shortage (S)= Qbo * (K/K+b)

= 39* (15/15+45)

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= 9.75

Total Cost Minimum=( bS2/ 2Qbo) + P (Qbo- S)2/2Qbo + K(D/Qbo)

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D) Calculate the difference in total between not using backorder:

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The saving in using backorder is $207.79.

Therefore I would recommend using a backorder

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