Question

An alloy contains 20% tin, 35%alumunium ans the rest as zinc how many is zinc in 1.5 kg alloy?​

Answer 1

Step-by-step explanation:

x% = zinc

first 20% tin + 35%aluminium + x% = 100%

55% + x% = 100 %

x = 100-55

x =45%.

covert 1.5 kg= 1500 g

45% of alloy is = 45 × 1500

100

=45×15

=675

The 675 g zinc in 1.5 kg alloy.

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