Answer: 420 miles
Step-by-step explanation: She drove 7 hours at an average of 60 mph. You have to do 7 times 60 because each hour she goes 60 miles. 7 multiplied by 60 will give you 420.
Because they’re both the opposites of eachothers quantities
Answer:
3(10)-7
Step-by-step explanation:
3(10)-7
Total questions are 30.
70% of 30
=30(70/100)
=21
So, the questions can be wrong are 30-21.
=9 questions..
Thanks!