A NGO distributed masks and face shields to all people who were out for a delivery.
They initially purchased 20,000 masks and 10,000 shields, and gave away those in a few weeks.
The cost of the mask was $0.1 and face shields were $0.3. In total, they spent $5000.
A NGO's work recieved huge applause on social media and they recieved a ton of donations.
The manufacturer of the masks and the shields also agreed to cut the price of all products by 30%.
Approximately, how many shields and masks can the NGO purchase within the same budget?
A
B
30000 Masks, 13800 Shields
32400 Masks, 13000 Shields
C
D
27500 Masks, 14000 shields
All of the Above
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Answers
Answer:
Step-by-step explanation:
D
Given : A NGO distributed masks and face shields to all people who were out for a delivery.
They initially purchased 20,000 masks and 10,000 shields, and gave away those in a few weeks.
The cost of the mask was $0.1 and face shields were $0.3. In total, they spent $5000.
The manufacturer of the masks and the shields also agreed to cut the price of all products by 30%.
To Find : Approximately, how many shields and masks can the NGO purchase within the same budget
Solution:
purchased
20,000 masks
10,000 shields,
cost of the mask = 0.1 $
Cost of shield = $ 0.3
Cost of 20,000 mask = 20000 * 0.1 = $ 2000
Cost of Shield = 10000 & 0.3 = $ 3000
2000 + 3000 = $ 5000
price of all products by 30%.
Reduced Cost of mask = 0.1 - (30/100)0.1 =0.07 $
Reduced cost of Shield = 0.3 - (30/100)0.3 =0.21 $
30000 Masks, 13800 Shields
= 30000 * 0.07 + 13800 * 0.21
= 2100 + 2898
= 4998 $ ≈ 5000 $
32400 Masks, 13000 Shields
= 32400 * 0.07 + 13000 *0.21
= 4998 $ ≈ 5000 $
27500 Masks, 14000 shields
= 27500 * 0.7 + 14000 * 0.21
= 4865 can be bought in 5000
Hence all of the above
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