Answer:
she can complete 20 math problems in 26 mins and 40 secs . she has 3 mins and 20 secs to talk to her friends
Step-by-step explanation:
She can solve 3 math problems in 4 mins
She can solve 1 math problem in = 4/3 *60 minutes= 80 secs
She has to solve 20 math problems = 20*80= 1600 secs/60= 26 mins and 40 secs.
She has 3 minutes and 20 secs to talk to her friends.
8 gallons × (3.79 liters / 1 gallon)
*cancel gallon*
8×3.79 liters = 30.32 liters
1 solution, that solution is 3.
You can subtract it's adjacent angle from 180 degrees to do that.
If you move over a negative multiplication or devision
you need to rotate the > sign to <
-x > 5, x < 5
Sometimes you sign contract in wich you need make a deal to supply atleast 1000 products, so if you make a formula for your production it would look something like: 5x + 10 > 1000