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Phantasy [73]
3 years ago
9

In two or more complete sentences explain how you would set up and solve the following equation: Peter opened his account with $

910 and withdrew $40 per week. Marla opened her account with $470 and withdrew $20 weekly. In how many weeks will their accounts be equal?
Mathematics
1 answer:
Lilit [14]3 years ago
4 0
What you would do is you would keep subtracting (I recommend a calculator for this task) from both accounts until you get an equal amount for each. You would also have to record this down that way you know each time what you got. (And please do not put the calculator part). Really hope this helps!!!

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The slope would also be -4.

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1 kilogram (kg) is about 2.2 times as heavy as 1 pound (lb). Suppose the function f determines Marcus's weight (in lbs), f ( t )
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Answer:

1. g(29)=88.18

2. g(t)=\frac{f(t)}{2.2}

Step-by-step explanation:

It is given that 1 kilogram (kg) is about 2.2 times as heavy as 1 pound (lb).

1 kg = 2.2 lb

Let as consider f determines Marcus's weight (in lbs), f ( t ) , given the number of days t since the beginning of 2017.

The function g determines Marcus's weight (in kg), g ( t ) , given the number of days t since the beginning of 2017.

It is given that f ( 29 ) = 194, it means the 29 Marcus's weight (in lbs) is 194.

Using the above conversion we get

1\text{ lb }=\frac{1}{2.2}\text{ kg}

Multiply both sides by 194.

194\times 1\text{ lb }=194\times \frac{1}{2.2}\text{ kg}

194\text{ lb }=88.181818\text{ kg}

It means the 29 Marcus's weight (in kg) is about 88.18.

g(29)=88.18

Since 1 kg = 2.2 lb, it means weight in kg must be multiplied by 2.2 to convert it into lbs.

g(t)\times 2.2=f(t)

Divide both sides by 2.2.

g(t)=\frac{f(t)}{2.2}

Therefore the formula for g using the function f is g(t)=\frac{f(t)}{2.2}.

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