2. owing system.
Each moming Damell does a combination of aeroblcs
and stretching exercises. The exercises bum different
amounts of calories per minute. The following system
represents the time Darnell exercises and the amount of
calories bumed. In the systemi, x represents the number of
minutes Darnell spends doing aerobics and y represents
the number of minutes he spends stretching.
x+y = 60
15x + 5y = 500
Use the system to answer the folowing questions.
How many minutes does Darnall spend exercising
b. How many calories per minute does Darell bum while
doing aerobics?
How many calories per minute does Darnell burn while
stretching
d. How many lola calores does Darnel burn while
exercising?
Use the elimination method to sove the system and
determine the number of minutes Dornell spends
doing each exercise,