Adam had dimes and quarters in his pocket there are 28 coins in all and they are worth of $4.68 altogether how many quarters does adam have

Use a system to find the answer. x is quarters and y is dimes
x +y = 28 and 0.25x + 0.1y =4.68 The point where they intersect is the answer. However there is no real number solution to this because coins cannot be split. This would make sense because you would need pennies to get 68 cents.

A) for the n row: 22+(n-1)×6therefore,b) 100-22=78that means (n-1)×6=7878÷6=1313+1=1414th row has 100 seats