dalia bought a few swirl marbles and divided it equally among four of her friends and her brother, jake. while playing, Jake lost two marbles and has only 7 marbles at present. find how many marbles did Dalai have in all

Answer:Dalai have 45 marbles.Step-by-step explanation:Consider the provided information.Dalai bought a few swirl marbles and divided it equally among four of her friends and her brother, Jake. while playing, Jake lost two marbles and has only 7 marbles at present.Let x is the number of marbles Dalai have.She divide x number of marbles into 5 equal part (Four of friend and her brother)That means each of them have [tex]\frac{x}{5}[/tex] marbles.Jake lost two marbles out of [tex]\frac{x}{5}[/tex] and now he has only 7 marbles,This can be represented as:[tex]\frac{x}{5}-2=7[/tex]Solve the equation for x.[tex]\frac{x}{5}=7+2[/tex][tex]\frac{x}{5}=9[/tex][tex]x=45[/tex]Hence, Dalai have 45 marbles.