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3 years ago

68 is 85% of what number

2 answers:

7 0

Hello! Based on this problem, 68 is part of a whole. To solve it, we can write and solve a proportion. Set it up like this:

68/x = 85/100

Cross multiply the sections. 68 * 100 is 6,800 and 85 * x is 85x. So you get 6,800 = 85x. Now, divide each side by 85 to isolate the x. 85x/85 cancels out. 6,800/85 is 80. We can check this answer by multiplying 80 by 85%. 80 * 85% (0.85) is 68. There's our answer. 68 is 85% of 80.

Ber [7]3 years ago

6 0

Answer:

68 is 85% of 80

Step-by-step explanation:

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How do you do 1/4 (16x+20)-7x

Ira Lisetskai [31]

Distribute the 1/4:
1/4(16x) + 1/4(20) - 7x

Do the multiplication:
1/4(16x) = 16x/4 = 4x
1/4 (20) = 20/4 = 5

Now you have:
4x + 5 - 7x = 0

Combine like terms (4x and -7x):
-3x + 5 = 0

Subtract 5 from both sides:
-3x = -5

Divide by -3:
x = -5/-3 = 5/3

Answer:
x= 5/3

6 0

3 years ago

Find the area of the shape below.

Otrada [13]

Area = 10.08 yd²

Solution:

The given shape is a trapezoid.

Length of top base ( $b_1$ ) = 5.4 yd

Length of bottom base ( $b_2$ ) = 1.8 yd

Height of trapezoid (h) = 2.8 yd

To find the area of the trapezoid:

Area of the trapezoid = $\frac{1}{2}\times (b_1+b_2)\times h$

$$=\frac{1}{2}\times (5.4+1.8)\times 2.8$

$$=\frac{1}{2}\times 7.2\times 2.8$

= 10.08 yd²

Area = 10.08 yd²

3 0

3 years ago

The tens digit is 2 less than the one's digit and the sum of the digits is 8

Basile [38]

it going to be 18 because the number is two less than ones digits and the sum of the digit is 8

4 0

3 years ago

euben's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Reuben $5.70 per pound, and type

Kobotan [32]

Answer:

The quantity of type A coffee is 73 pounds

The quantity of type B coffee is 94 pounds .

Step-by-step explanation:

Given as :

The price of Type A coffee costs = $ 5.70 per pound

The price of Type B coffee costs = $ 4.30 per pound

The total quantity of coffee does Reuben purchases = 167 pounds

The total cost of the coffee for 167 pounds = $ 820.30

Let The quantity for type A coffee = a pounds

And The quantity of type B coffee = b pounds

Now, According to question

a + b = 167 pounds And

$ 5.70 × a + $ 4.30 × b = $ 820.30

Now solving equations

5.70 × ( a + b ) = 5.70 × 167

or, 5.70 a + 5.70 b = 951.9

Now ,

( 5.70 a + 5.70 b ) - ( 5.70 a + 4.30 b ) = 951.9 - 820.30

or, ( 5.70 a - 5.70 a ) + ( 5.70 b - 4.30 b ) = 131.6

Or, 0 + 1.4 b = 131.6

∴ b = $\frac{131.6}{1.4}$

I.e b = 94 pounds

Put the value of b to get a value

So, a = 167 pounds - b

Or, a = 167 - 94

∴ a = 73 pounds

Hence The quantity of type A coffee is 73 pounds

And The quantity of type B coffee is 94 pounds . Answer

4 0

3 years ago

!Please help me due today! !WELL MARK BRAINLIEST!

lubasha [3.4K]

Answer:

Number 1: a = 5

Step-by-step explanation:

Here cross multiplication is applicable, as such:

10 * 3 = 6 * a

30 = 6a

a = 5

4 0

3 years ago