Valerie gives her dog 12 ounces of food in the morning and 12 ounces at night. There are 75 ounces of dog food in a bag.After how many feedings will she need to buy a new bag of dog food? Explain how you know.
Question
Valerie gives her dog 12 ounces of food in the morning and 12 ounces at night. There are 75 ounces of dog food in a bag.After how many feedings will she need to buy a new bag of dog food? Explain how you know.
Solution 1
Valerie feeds her dog 24 ounces of food a day (12 ounces in the morning and 12 ounces at night).
To find out how many feedings she can get from a 75-ounce bag of dog food, we need to divide the total amount of food in the bag by the amount of food used per day.
So, 75 ounces ÷ 24 ounces/day = 3.125 days.
Since Valerie feeds her dog twice a day, we multiply the number of days by 2 to get the total number of feedings.
So, 3.125 days x 2 feedings/day = 6.25 feedings.
Since Valerie can't feed her dog a fraction of a feeding, we round down to the nearest whole number. So, after 6 feedings, Valerie will need to buy a new bag of dog food.
Solution 2
Step 1: Determine how much food is given per day. Valerie gives her dog 12 ounces in the morning and 12 ounces at night, so she gives her dog 12 + 12 = 24 ounces per day.
Step 2: Determine how many days the bag of food will last. The bag contains 75 ounces, and she gives her dog 24 ounces per day, so the bag will last 75 / 24 = 3.125 days.
Step 3: Since Valerie feeds her dog twice a day, we need to find out how many feedings are in 3.125 days. So, we multiply 3.125 by 2 (the number of feedings per day) to get 6.25 feedings.
Step 4: Since Valerie can't feed her dog a fraction of a feeding, we round up to the nearest whole number. So, after 7 feedings, Valerie will need to buy a new bag of dog food.
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