Answer:
Explanation:
Story Problem:
Samantha is baking cookies and her recipe calls for 3 cups of flour. She only has a bag of flour that is 7/8 full. If each cup of flour weighs the same, how much flour does Samantha have left after taking out the 3 cups needed for the recipe?
Solution:
To solve the problem, we need to multiply the amount of flour in the bag by 3/1 (which is the same as multiplying by 3).
3 x 7/8 = (3 x 7)/8 = 21/8
So, Samantha has 21/8 cups of flour in the bag.
To find out how much flour she has left after taking out the 3 cups needed for the recipe, we need to subtract 3 from 21/8:
21/8 - 3 = 21/8 - 24/8 = -3/8
Samantha has -3/8 cups of flour left in the bag, which means she doesn't have enough flour to make the recipe. She needs to get more flour before she can continue baking.