To multiply a whole number by a fraction, you can first write the whole number as a fraction by placing the whole number in the numerator and 1 in the denominator. does following this step change the product? explain.

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