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statuscvo [17]
3 years ago
9

25% multiplied by ? = 34

Mathematics
1 answer:
Luda [366]3 years ago
6 0
The answer is the problem is 136.
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A promoter buys advertising in units of $30,000 each. If he buys two units of broadcast TV, one unit of cable TV, and two units
andriy [413]

Answer:

$150,000

Step-by-step explanation:

The first step is to calculate the total number of units

= 2 +1 +2

= 5

If he buys at the rate of $30,000 for one unit then the total money spent on advertising can be calculated as follows

= 30,000 × 5

= 150,000

Hence the promoter spends $150,000 on advertising

4 0
3 years ago
A wallet contains $460 in $5, $10, and $20 bills. The number of $5 bills exceeds twice the number of $10 bills by 4, and the num
Butoxors [25]

Answer:

Number of $5 bills = 32

Number of $10 bills = 14

Number of $20 bills = 8

Step-by-step explanation:

Let x number of $5, y number of $10 and z number of $20

The number of $5 bills exceeds twice the number of $10 bills by 4.

Therefore, x = 2y + 4

The number of $20 bills is 6 fewer than the number of $10 bills.

Therefore, z = y - 6

A wallet contains $460 in $5, $10, and $20 bills.

Therefore,

5x + 10y + 20z = 460

Substitute x and y into equation

    5(2y+4) + 10y + 20(y-6) = 460

10y + 20 + 10y + 20y - 120 = 460

                           40y - 100 = 460

                                    40y = 460 + 100

                                    40y = 560

                                      y = 14

  • Put the value of y into x = 2y + 4 and solve for x

                                      x = 2(14) + 4

                                      x = 32

  • Put the value of y into z = y - 6 and solve for z

                                      z = 14 - 6

                                      z = 8

Hence, the each type of bills,

Number of $5 bills = 32

Number of $10 bills = 14

Number of $20 bills = 8

3 0
3 years ago
Read 2 more answers
If the roots of a quadratic equation are -4 and 2,<br> the equation is equivalent to
pickupchik [31]

Answer:

x^2-2x-8

Step-by-step explanation:

-4, 2

(x-4)(x+2) solve that, and it equals to that equation.

4 0
3 years ago
Is the expression 3(x+1 1\2)-3 equivalent to 3x+1 1\2
Ket [755]

Answer:

no

Step-by-step explanation:

first simplify or solve the original expression ( 3(x + 11/2)-3 )

1.  Parenthesis go first so do the 11/2 = 5.5 (x+5.5)

2. Distribute the 3 to the parenthesis (3x + 16.5)

3. subtract 3 from the expression (3x + 13.5)

Compare new equation with 3x + 11/2. Are they the same? (3x+13.5 vs. 3x + 11/2)

They are not the same thing.

3 0
3 years ago
Write the ratio 2/7 to 4/5 as a fraction in simplest form
laiz [17]
I’m gonna say that the answer is 5: 14
4 0
3 years ago
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