Answer: 48
Step-by-step explanation:
The share of sand in the mixture is 3/7
To make 112 kgs. of concrete, he will need
3/7 x 112 = 48 units of sand
Answer:
240
Step-by-step explanation:
5(x² - 1)
5 ((-7)² - 1)
5(49 - 1)
5 (48)
Catherine walks her dog 5.25 miles because there are 7 days in one week and 3/4 x 7 = 5.25
Answer:
40
Step-by-step explanation:
you multyply 4 by 10 to get 40 or add 4 10 times
