Janice needs 2 ¼ cups of flour and 1 ½ cups of sugar for a recipe. she wants to double the recipe. how many total cups of flour and sugar will janice need

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36