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Vikki [24]
3 years ago
5

Salma's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Salma $5.15 per pound, and type

B coffee costs $4.10 per pound. This month, Salma made 147 pounds of the blend, for a total cost of $659.40. How many pounds of type A coffee did she use?
Mathematics
2 answers:
son4ous [18]3 years ago
7 0

.........................

Gekata [30.6K]3 years ago
5 0

Answer: 54 pounds

Step-by-step explanation:

1. Adressing the variables:

x=number of pounds of type A

y=number of pounds of type B

2. Equations:

x+y=147 pounds

5.15x+4.1y=659.40

3. Subsitution:

y=147-x =>5.15x+4.1(147-x)

4. Solve:

5.15x+602.7-4.1x=659.4

=> 1.05x=56.7 => x=54

5. Solution:

x=54; y=93

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If y varies directly with x and y=60 when x =15 find k and write an equation of direct variation
Likurg_2 [28]

Answer:

k=45

equation: y=x+45

Step-by-step explanation:

60=15+k

substract 15 on both sides to get 45=k

5 0
3 years ago
If $500 is shared in the ratio 2:3:9. Determine the difference between the largest and smallest amount
sleet_krkn [62]
The difference between the largest and biggest amount is 7.
5 0
4 years ago
PLEASE HELP FAST!!! Use the fact that one mile is approximately 1.61 kilometers to find the number of miles in 584 kilometers. R
tensa zangetsu [6.8K]
Hello there! So if we are looking for the number of miles in 584 kilometers, then all we have to do is divide, because there are about 1.61 kilometers in 1 mile. Dividing those two numbers of the same unit will help us convert to miles. 584/1.61 is 362.7329193 or 362.73 when rounded to the nearest hundredth. There. There are about 362.73 miles in 584 kilometers.
8 0
4 years ago
Read 2 more answers
consider the figure shown below. Match the angles given in the first column with their equivalent degree Measure given in the fi
Nonamiya [84]

Answer:

∠3 = 115°

∠8 = 75°

∠6 = 105°

∠11 = 115°

∠9 = 65°

∠4 = 65°

Step-by-step explanation:

∠3 = 180 - 65 =115° because they are supplementary

∠8 = 75° because it is vertical to 75°

∠6 = 180 - 75 = 105° because they are supplementary

∠11 = 115° because it is corresponding to ∠3

∠9 = 65° because it is corresponding to ∠1

∠4 = 65° because it is vertical to 65°

5 0
3 years ago
Complete the inequality. 5 1/2 lb ___ 92 oz
Mashcka [7]
1 lb = 16 oz

Multiply 16 oz  per pound by 5 1/2

= 16 * 5 1/2
convert to improper fraction

= 16 * 11 1/2
multiply numerators

= (16*11)/2

= 176/2

= 88 oz

Answer is 5 1/2lbs < 92 oz as 5 1/2lbs is less than 92 oz. 
4 0
4 years ago
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