13 chapters of a 22 chapter book
2 answers:
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1. The puppy gained 3/8 pounds each week, for 4 weeks. To find out how much the puppy gained altogether, you multiply 3/8 by 4.
In order to do that, we have to turn 4 into a fraction. We can simply write it as 4/1.
Now, we multiply the two fractions together. When you multiply fractions, you multiply the numerators (top numbers) together, and the denominators (bottom numbers) together.
3 x 4 = 12
8 x 1 = 8
The puppy gained 12/8 pounds during the 4 weeks.
3. Ivana has 3/4 pounds of meat and makes 3 patties, all weighing the same.
To figure out how much each patty weighs, we first have to turn 3 into a fraction. Much like the first problem, we can simply write it as 3/1.
Then, we have to divide 3/4 by 3/1. In order to do that, we multiply 3/4 by the reciprocal of 3/1. The reciprocal is the fraction flipped upside down, so in this case, the reciprocal of 3/1 is 1/3.
Now, we multiply.
3 x 1 = 3
4 x 3 = 12
we can simplify 3/12 by dividing the numerator and denominator by 3
3 ÷ 3 = 1
12 ÷ 3 = 4
Each patty weighs 1/4 pounds
In order to do that, we have to turn 4 into a fraction. We can simply write it as 4/1.
Now, we multiply the two fractions together. When you multiply fractions, you multiply the numerators (top numbers) together, and the denominators (bottom numbers) together.
3 x 4 = 12
8 x 1 = 8
The puppy gained 12/8 pounds during the 4 weeks.
3. Ivana has 3/4 pounds of meat and makes 3 patties, all weighing the same.
To figure out how much each patty weighs, we first have to turn 3 into a fraction. Much like the first problem, we can simply write it as 3/1.
Then, we have to divide 3/4 by 3/1. In order to do that, we multiply 3/4 by the reciprocal of 3/1. The reciprocal is the fraction flipped upside down, so in this case, the reciprocal of 3/1 is 1/3.
Now, we multiply.
3 x 1 = 3
4 x 3 = 12
we can simplify 3/12 by dividing the numerator and denominator by 3
3 ÷ 3 = 1
12 ÷ 3 = 4
Each patty weighs 1/4 pounds