Miguel asked Sandra to make 90 cookies for his party. Sandra needs ΒΌ cup of sugar to make 15 cookies. She incorrectly calculated the amount of sugar she will need.
Write a brief note to Sandra describing her mistake and explain to her how to correctly
Sandra's work:
Amount of sugar for 1 cookie: 15 x 1/4c = 15/4 = 3.75 C
Amount of sugar for 90 cookies: 3.75 C x 90 = 337.5 C
