Jim has eight more dimes than quarters in his pocket for a total of $2.90. the equation 0.10(x + 8) + 0.25(x) = 2.90 models the number of quarters, x, in his pocket. how many quarters are in jim's pocket? i need

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project