Question

Your daily workout plan involves a total of 60 minutes of running and swimming. You burn 20 calories per minute running and 10 calories per minute swimming. How many calories will you burn in your 60−minute workout if you run for 30 minutes?

Answer 1

well, I assume it means you run for 30 minutes, and swim for 30 minutes

Answer 2

yeah thats what someone else said but what should I do?

Answer 3

well, you need to make an equation

Answer 4

let's say T = 20x + 10y

where T is total calories burned
x is time spent running
y is time spent swimming

Answer 5

does it make sense why I have written it this way?

the problem says

"You burn 20 calories per minute running"
"You burn 10 calories per minute swimming"

so, 20 * time spent running would represent the first part
and 10 * time spent swimming would represent the second part

yes?

Answer 6

yes

Answer 7

well, then it's just a matter of plugging in x and y

Answer 8

if x is time spent running, and you spent 30 minutes running, then x = 30
if y is time spent swimming, and you spent 30 minutes swimming, then y = 30

use the equation to plug them in and there's your answer!

Answer 9

I dot know how too ;(

Answer 10

@funinabox

Answer 11

Wow this website is close too useless sometimes I get no help >.>

Answer 12

sorry i had to go

what part exactly are you getting stuck on?

Answer 13

900 its pretty simple