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just olya [345]
3 years ago
7

For every 8 red pens on the teachers desk there are 12 pencils. If she has 60 writing implements, does she have enough red pens

for 60 kids? Explain
Mathematics
1 answer:
gavmur [86]3 years ago
7 0

Answer:No she does not

Step-by-step explanation:

8pens + 12pecils= 20writing inplements

20+8+12=40

20+8+12=60

You needed 3 sets of 8 pens and 3 sets of 12 pencils to get 60.

3*8=24

24 is less than 60, so she does not have enough pens for 60 students

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Box со
Levart [38]

Answer:

The man has 6 GHc20.00 notes and 4 GHc10.00 left

Step-by-step explanation:

Given

Amount = 3 GH¢50.00, 7  GH¢20.00 and 5 GH¢10.00

Spendings = GH¢80,00

Required

Determine how many GH¢20.00 and  GH¢10.00 notes left

The amount he has can be represented as:

Amount = 3 * GHc50.00 + 7 * GHc20.00 + 5 * GHc10.00

Spendings = GHc80.00

This can be represented as:

Spendings = GHc50.00+GHc20.00+GHc10.00

Represent:

GHc50.00 with x, GHc20.00 with y and GHc10.00 with z

So, we have:

Amount = 3 * GHc50.00 + 7 * GHc20.00 + 5 * GHc10.00

Amount = 3 *x + 7*y + 5*z

Amount = 3x + 7y + 5z

Spendings = GHc50.00+GHc20.00+GHc10.00

Spendings =x+y+z

Subtract the spendings from the total to get amount left

Amount\ Left= 3x + 7y +5z - (x+y+z)

Amount\ Left= 3x + 7y +5z - x-y-z

Collect Like Terms

Amount\ Left= 3x-x + 7y-y +5z-z

Amount\ Left= 2x + 6y +4z

Recall that, we have represented:

GHc50.00 with x, GHc20.00 with y and GHc10.00 with z

<em>This means that, the man has 6 GHc20.00 notes and 4 GHc10.00 left</em>

7 0
3 years ago
Sarah wants to buy a necklace. The necklace has a price of $41 and the sales tax is 6%. What will be the cost of the necklace af
Bezzdna [24]
Multiply 6% by 41.
0.06*41 = 2.46
add that to $41
$43.46
3 0
4 years ago
Read 2 more answers
Mrs. Aries hired Jack a math tutor to help her son. Because of budget she can pay him no more than $420 a month. If Jack charges
klasskru [66]

Answer:

12 hours a month

Step-by-step explanation:

No.of hours the teacher can tutor a month = 420/ 35

= 60/5    {giving by 7th table}

= 12 hours

4 0
3 years ago
What is the final cost of a $42<br> flower bouquet with 6% sales<br> tax?
Rudiy27
$44.52 is the final cost of a flower bouquet.
3 0
2 years ago
-3 * f(-8) + 7 * g(2)
enyata [817]

Answer:

-2(-12-7 g)

Step-by-step explanation:

hope this helps :)

3 0
3 years ago
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