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user100 [1]
3 years ago
15

Dried bananas sell at $4.59/kg and dried apricots sell at $6.59/kg. How many of kilograms of each should be used to make a mixtu

re of 50 kg of dried fruit to sell for $5.20/kg. Solve for substitution or elimination
Mathematics
1 answer:
vitfil [10]3 years ago
3 0

Answer:

Weight of dried bananas = 34.75 kg

Weight of dried apricot = 15.25 kg

Step-by-step explanation:

Given that:

Cost of dried bananas = $4.59 per kg

Cost of dried apricots = $6.59 per kg

Total weight of mixture = 50 kg

Sales price of dried fruit = $5.20 per kg

To find:

The weight of each type of dry fruit = ?

Solution:

Let weight of dried bananas = x kg

Let weight of dried apricot = y kg

x+y=50 ...... (1)

Total cost of dried bananas = Cost of dried bananas per kg multiplied by weight of dried bananas

Total cost of dried bananas = $4.59x

Total cost of dried apricots = Cost of dried apricots per kg multiplied by weight of dried apricots

Total cost of dried apricots = $6.59y

As per question statement,

Total cost of dry fruits = $5.20 \times 50 = $260

260 = 4.59x+6.59y......(2)

Using <em>substitution:</em>

By equation (1):

x = 50-y

Putting in equation (2):

260 = 4.59 (50-y)+6.59y\\\Rightarrow 2y = 260 - 229.5\\\Rightarrow y = 15.25\ kg

x = 50 - 15.25\\\Rightarrow x = 34.75\ kg

Therefore, the answer is:

Weight of dried bananas = 34.75 kg

Weight of dried apricot = 15.25 kg

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