Answer:
Step-by-step explanation:
Rate = (20½ pounds)/(4 hours) = (5⅛ pounds)/hour
9 hours × (5⅛ pounds)/hour = 46⅛ pounds
3.75
25 divided by 15 is 3.75
Please mark brainliest
Answer:
<h2><u>
it depends on what expression u want </u></h2>
Step-by-step explanation:
An example of a mathematical expression with a variable is 2x + 3. All variables must have a coefficient, a number that is multiplied by the variable. In the expression 2x + 3, the coefficient of x is the number 2, and it means 2 times x plus 3.
Answer:
He collected 180 other stamps
Step-by-step explanation:
Sorry if it's wrong
An easy way is to work out their speed. Speed = distance/time.
First part: Speed = 330/5.5 = 60 mph
Finally, the second part: time = distance / speed
So time = 720/60 = 12 hours
