Julius and olivia collect coins. julius has 338 coins in his collection. the number of coins olivia has is 57 less than double the number of coins julius has. how many coins does olivia have?

1) Julius and Olivia collect coins. {Qualitative statement}

2) Julius (J) has 338 coins in his collection. {Quantitative statement}

J = 338

3) The number of coins Olivia (V) has is 57 less than double the number of coins Julius has. {Quantitative statement}

V = 2*J - 57

V = 2*338 - 57

V = 619



Olivia has 619 coins.

You divide 338 by 2 to get rid of the double which leaves you with 169. Then, you subtract 57 since Olivia has 57 less than double, so Olivia has a total of 112 coins.

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J= r + 9 because since jessica rode 9 more miles than roger, you add 9 miles to rogers mileage.