Answer:
3x + 5y = 11 -> y = -3/5x + 11/5
9x + 15y = 33 -> y = -3/5x + 11/5
Answer:
295 minutes
Step-by-step explanation:
It is given that Speedy the Sloth drinks tea at a steady rate of 2/7 cups per hour.
Yesterday she drank 1 cup and today she drank 17/42 of a cup more than yesterday. This means today she drank 1 + 17/42 cups.
Time taken to drink 2/7 of a cup = 1 hour = 60 minutes
Time taken to drink 1 cup =
minutes
Time taken to drink 1+17/42 cups =
minutes
Since she drinks tea as long as she stay awakes. This means, she stayed awake for 295 minutes today.
Answer:
c
Step-by-step explanation:
im 99% sure this is the answer
Each cookie is 90 calories. Put it into an equation like 3x+2000=5x+1820 and solve for x