Compatible numbers are numbers that are close in value to the actual numbers and easy to add, subtract, multiply, or divide mentally. They are useful in estimating the sum, difference, product, or quotient.
Answer:
6 days
Step-by-step explanation
2/3 cups x 3 days = 2 cups
2 cups x 2 cups = 4 cups
4 cups = 6 days
Answer:
Step-by-step explanation:
- When 1 gallon is has been used 400 square feet of the wall will be paint
- The unit rate is 400 square feet per gallon
Answer:
2:1
Step-by-step explanation:
for every 2 girls there is 1 boy.