Question

Noelia has a coin collection. She keeps 7 of the coins in a box which is only 5% of the collection. What is the total number of coins in noelia coin collection

Answer 1

140 coins

Explanation:

7 coin is said to be only 5% of her collection

let the unknown number of total coin = y

total number of gotten is gotten from the equation below

7 = 5% of y

7 =
`(5)/(100)`y

7 = 0.05y

y =
`(7)/(0.05)` = 140 coins