, 19.03.2020ajay67

# A trader bought x mangoes at the rate of 4 mangoes for 10 naira five of the mangoes were bad so he sold the remaining at the rate of 5 mangoes for 20 naira and he made a gain of 10 naira how many mangoes did he buy ?

no because mercury has a density of 13.6 grams per centimeter squared while gold has 19.32 grams centimeter squared

step-by-step explanation:

answer: an 8-foot rope is tied from the top of a pole to a

stake in the ground, as shown in the diagram

below

step-by-step explanation:

20 mangoes.

Step-by-step explanation:

Given:

Total  number of mangoes, a trader bought =

A trader bought at the rate of 4 mangoes for 10 naira.

Five of the mangoes were bad.

He sold the remaining at the rate of 5 mangoes for 20 naira.

He made a gain of 10 naira

Total  number of mangoes, a trader bought = = ?

Solution:

Unitary method

Cost price of  4 mangoes =  10 naira.

Cost price of  1 mango =

Cost price of mango =

As 5 of the mangoes were bad and he sold the remaining mangoes, then Total number of mangoes sold =

Sale price of 5 mangoes = 20 naira

Sale price of 1 mango =

Sale price of mango =

Now, as we know,

Multiplying both sides by 2

Dividing both sides by 3

Therefore, total number of mangoes, a trader bought is 20.

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