It would take about an hour and 20 minutes to make 30 dozen cookies.
Multiply 5x136 than add answer plus 348 take the total 3000- the total post answer in comments ill tell u if right
Answer:
5 / 8
Step-by-step explanation:
Given :
Average age of male = 25
Average age of female = 40
Average age of entire membership = 30
The ratio of female to male students :
Male students : Female students
25 : 40
5 : 8
5/8
Answer: The equations are 5t + e = 725 and 3t + e = 505
Step-by-step explanation: We shall start by assigning letters to the unknown variables, hence we shall call the treadmill t, and we shall call the elliptical machine e.
If on Saturday, she ran 5 miles on the treadmill and 1 mile on the elliptical machine and she burned 725 calories in the process, we can express this as
5t + e = 725 ------(1)
Also on Sunday, she ran 3 miles on the treadmill and 1 mile on the elliptical machine and burned 505 calories in the process, that too can be expressed as
3t + e = 505 ------(2)
We now have a pair of simultaneous equations which an be solved by the elimination method (reason being that on of the unknowns have the same coefficient, that is variable e).
Subtract equation (2) from equation (1) and you arrive at;
2t = 220
Divide both sides of the equation by 2
t = 110
Having calculated the value of t, substitute for the value of t into equation (1)
5t + e = 725
5(110) + e = 725
550 + e = 725
Subtract 550 from both sides of the equation
e = 175
The above calculations shows that the calories burned on each gym equipment are;
Treadmill = 110 per hour
Elliptical = 175 per hour
Answer: 541.1
Step-by-step explanation:
multiply each set of parenthesis and add the two answers
