3 years ago

1.

Mathematics

1 answer:

IRINA_888 [86]3 years ago

5 0

Answer:

I should be C) I think.

Step-by-step explanation:

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On a certain day, a bakery produced a batch of rolls at a total production cost of $300. On that day, <img src="https://tex.z-dn

Sati [7]

Answer:

The profit of the bakery for this batch of rolls is C. $ 132

Step-by-step explanation:

You know the following this about the problem:

xy=300 is the total cost of the production of the rolls, where x is the cost of the rolls and y is the number of rolls.
Day 1 the bakery sold 4/5 of the rolls at 1.50 its value.
Day 2 the bakery sold 1/5 of the rolls ar 0.8 of the price of Day 1.

$Day1=1.50x\frac{4}{5}y=\frac{3}{2}x\frac{4}{5}y=\frac{6}{5}xy\\Day2=0.8\frac{3}{2}x\frac{1}{5}y=\frac{4}{5}\frac{3}{2}x\frac{1}{5}y=\frac{6}{25}xy$

The total gain of the sales is:

Day 1 + Day 2

$Day1+Day2=\frac{6}{5}xy+\frac{6}{25}xy=\frac{36}{25}xy$

and you know that xy =300, then the total gain is:

$gain=\frac{36}{25}(300)=432$

And the profit is the total gain less the total cost:

Profit = 432-300=132

5 0

4 years ago

Kenneth solved a certain number of problems and Harold solved 2 more than twice as many. Together they

Inessa [10]

H(arold) = 2 + 2*K(enneth)

H = 2 + 2K

H + K = 38

Substitution:

2 + 2K + K = 38

3K = 36

K = 12

Kenneth solved 12 problems and Harold solved (2(12) + 2 = 24 + 2 =) 26 problems

6 0

3 years ago

35% of best buy customers buy a computer, 25% buy a warranty, and 5% buy a computer and a warranty. Find the probability that a

anastassius [24]

Answer:

Step-by-step explanation:

(.35((.05)).25)

.05/.25 = .2

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3 years ago

Find the sum of 29 and the product of 2 and 9 and the difference between 2and9

jekas [21]

Answer:

sorry bro im just getting points

3 0

3 years ago

The difference between 9 thirty sevens and 8 thirty sevens

Sergeeva-Olga [200]

9 x 37 = 333
8 x 37 = 296

333 - 296 = 37

4 0

4 years ago