You cannot have an answer to this because it is not an equation
What we know: one part of candy costs $6 per kg
another part of candy costs $4.50 per kg
To get a 15kg candy, lets add 6 and 4.5
6+4.5=10.5
Add 4.5 to 10.5
4.5+10.5=15
So, We need 2 kg of the $4.50 candy, and 1 kg of the $6.00 candy.
Answer:
40.5 seconds if it is 1:21 minutes
Step-by-step explanation:
60 seconds per minute plus 21 seconds is 81 seconds. Half of 80 is 40, half of 1 is 0.5. Together it is 40.5 seconds for half of 1:21 minutes.
Answer:
20
Step-by-step explanation:
x-2y=6 and x+y=10
Multiply the second equation by 2
2x+2y = 20