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butalik [34]
3 years ago
12

I’m really confused on this show all work please

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
6 0
<h2>Sally's grocery bill =0.95 c</h2>

Step-by-step explanation:

Given that

Sally has a discount card that reduce the price of grocery bill in certain grocery store by 5%. It c represent the cost of Sally's groceries.

She got discount =\frac{5}{100} c

<h3>Therefore Sally's grocery bill = c - \frac{5}{100} c  =\frac{100c - 5c}{100}  =\frac{95c}{100}  =0.95 c</h3>

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Toby buys packs of 12 racing cars for R49,99 and sells each racing car for R10 at school
Ratling [72]

Answer:

1.1  R5.83

1.2 R70.01

1.3 58.34%

Step-by-step explanation:

Given that he buys a pack of 12 racing cars  for  R49,99 then the unit cost for a car which is the total cost divided by the number of cars in a pack

= R49,99/12

= R4.17

If each car is sold for R10 then the profit made on each car which is the difference between the cost and the selling price

= R10 - R4.17

= R5.83

The profit margin on one pack of 12 racing cars

Profit margin is the ratio of the profit to the total selling price

The total profit (profit on one pack of 12 racing cars)

= R5.83 * 12

=R70.01

Total selling price = R10 * 12

=R120

Margin = R70.01 / R120

= 58.34%

4 0
3 years ago
For the function -2x²+x+1 find f(3)
nexus9112 [7]

Answer:

-14

Step-by-step explanation:

Plug 3 in for x

-2 (3)² + 3 + 1

-2 (9) + 3 + 1

-18 + 3 + 1

-14

3 0
3 years ago
Read 2 more answers
Solve below for 50 points
Goryan [66]

Answer:

You can use the pythagorean theorem to determine the unknown value of the hypotenuse. 2. by taking advantage of their side ratios

Step-by-step explanation:

7 0
3 years ago
Triangle ABC has coordinates A (0, 1) B (0, 2) and C (3,2). If Triangle ABC is equivalent to triangle EDF, what is the measure o
Elanso [62]

Answer:

  3

Step-by-step explanation:

Segment BC corresponds to segment DF. The length of BC is the distance between coordinates (0, 2) and (3, 2). These points are on the same horizontal line (y=2), so the distance between them is the difference of their x-coordinates: 3 - 0 = 3.

7 0
3 years ago
Read 2 more answers
Nick bought 2.5 pounds of popcorn for $8.35 how much did he pay for each pound of popcorn
marta [7]

Answer:

$3.34 for each pound of popcorn

Step-by-step explanation:

All we must do, in this case, is divide 8.35 by 2.5.

This equals 3.34.

Therefore, each pound of popcorn cost $3.34.

Don't believe me? To check, just multiply 3.34 by 2.5.

Please let me know if you need help with anything else. :)

5 0
3 years ago
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