Answer:
21x-28
Step-by-step explanation:
you multiply 7 by 3 and 7 by 4 and bring down the x and subtraction sign
Answer:
25/12
Step-by-step explanation:
So first change the mixed numbers into improper fractions. 5/4 ad 5/3. Then just multiply them. 25/12.
Answer:
The swimming pool is 5 times bigger.
Step-by-step explanation:
5 x 3.14=15.7 ft
15 x 2 x 3.14= 78.5 ft
78.5/15.7=5 times bigger
