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natulia [17]
3 years ago
5

1. Your bank account has -$15 in it. You deposit $5 per day. (a) How much money is in your account after 5 days? Show your work.

(b) After you have made all of your deposits, you withdraw $2 a day until your account balance is $0. How many days will you withdraw $2? Show your work.PLEZ HELP!
Mathematics
2 answers:
ki77a [65]3 years ago
6 0
A) 15 + 5 X 5 = 15 + 25 = 40

B) 40/2 = 20

you can pull out $2 everyday for 20 days until you have no money left 
Harman [31]3 years ago
4 0
A) 5 x 5 = 25$
25 - 15 = 10$
Answer: 10$

b) 10/2= 5
Answer: 5 days
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<span>common difference for the sequence = 1/16

cause
1/4 = 4/16
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4/16 + 1/16 = 5/16
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DIA [1.3K]

How do you create your equations when working on a mixture word problem?

Let's try to think about the general form of a word problem involving mixtures.

In general, we have the following scenario:

a merchant sells two kinds of products (coffee, sweets, etc).

we know the unit prices for both kinds of products and for the final mixture

p

1

US dollars per pound for the first kind of product,

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US dollars per pound for the second kind of product

p

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we know the total quantity formed by the mixture of the two products (

q

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we have to find out the quantities of each product needed to form the mixture

(here we have the variables:

x

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y

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Now, we have sufficient information to work out the equations.

First, we know that the sum of the two quantities is

q

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x

+

y

=

q

Second, we know that the sale price is the product of quantity and unit price, which gives us the second equation:

p

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x

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3 0
2 years ago
A company's revenue function and cost function are as follows: R(x) = 0.55x and C(x) = 10 + 0.05x. What is the minimum number of
Oduvanchick [21]

Answer:

Minimum number of units sold to make profit is equal to 20

Step-by-step explanation:

Revenue earned by the company as a function of number of units sold as x:

R(x) = 0.55x

Cost for selling units as a function of number of units sold as x:

C(x) = 10 + 0.05x

<em>Net profit earned by the company = (Revenue earned by the company) - (Cost of selling units)</em>

P(x) = (0.55x) - (10 + 0.05x)

P(x) = 0.55x - 10 - 0.05x

P(x) = 0.5x - 10

To earn profit the following condition should satisfy: P(x) ≥ 0

0.5x - 10 ≥ 0

0.5x ≥ 10

x ≥ \frac{10}{0.5}

x ≥ 20

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3 years ago
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