SOLUTION: A teacher and two learners are driving to nelspruit to attend the provincial mathematics advanced competition they have to cover the distance of 400km and reach their destination i

Question 951531: A teacher and two learners are driving to nelspruit to attend the provincial mathematics advanced competition they have to cover the distance of 400km and reach their destination in 4hours they stopped for 25 minutes to buy food after they have travelled 200km in 2 hours at what average speed must they drive the remainder of the journey to reach their destination in time
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
They traveled 2 hours and took a 25 minute break, so they
have 1 hour and 35 minutes of 4 hours left to travel 200 km remaining.
200km/(1 35/60 hr)=126.3 km/hr
ANSWER: They must average 126.3 km/hr for the remainder of the trip to reach their destination on tine.
RELATED QUESTIONS
1.THE TEACHER AND TWO LEARNERS ARE DRIVING TO NELSPRUIT TO ATTEND MATHEMATICS ADVANCEMENT (answered by Theo)

There are 450 learners in a small school and 18 teachers. Calculate the ratio of the... (answered by Boreal)

Lilly collects data on a sample of 40 high school students to evaluate whether the... (answered by ikleyn)

Five students will be randomly selected from the seven top students in mathematics to... (answered by jim_thompson5910)

Five students will be randomly selected from the seven top students in mathematics to... (answered by Fombitz)

The math club is having a car wash to raise funds to attend a state competition. They... (answered by Theo)

A teacher drove 280 miles to attend a conference and arrived 1 hour late. The teacher... (answered by josmiceli,MathTherapy)

2.2 During the weekend of study the teacher gives the class several difficult problems.... (answered by rothauserc)

a grade 11 class group collects R200 to buy pies for all learners in the class.on the day (answered by tanjo3)