Answer: the answer is 521
Step-by-step explanation: i don't know how i got that i am a human calculator :)
Answer:
7 minutes
Step-by-step explanation:
First, subtract 70 from 350.
350-70=280
Now, divide 280 by 40
280/40=7
It took Ms. Thelmas oven to heat up from 70 degrees to 350 degrees in 7 minutes.
Its like ones true then ones false it goes in that pattern
