Aiden has a coin collection. He keeps 7 of the coins in his box, which is 20% of the collection. How many total coins are in his collection?

Total coins are in his collection is 35 coins

Step-by-step explanation:

In his box = 7 coins

7 coins is 20% of the collection.

Total Coins :

7 ÷ 20%

35 coins

Proof :

35 × 20%

35 × 1/5

35 ÷ 5

7

36

step-by-step explanation:

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)