Moshiur can mow a lawn in m hours. Caroline, Moshiur’s younger sister, can mow the same lawn in c hours. (i) Determine how long it takes for the two siblings to mow the lawn together. Use the formula (ii) How long does it take for Moshiur to mow the lawn himself, if the total time it takes for the lawn is 1.5 hours and Caroline takes four hours longer than Moshiur

Moshiur can mow a lawn in m hours. Caroline, Moshiur’s younger sister, can mow the same lawn in c hours. (i) Determine how long it takes for the two siblings to mow the lawn together. Use the formula (ii) How long does it take for Moshiur to mow the lawn himself, if the total time it takes for the lawn is 1.5 hours and Caroline takes four hours longer than Moshiur

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

See similar textbooks

Similar questions

Austin are 3/5 of a apple pie and 2/3 of a cherry pie. How much pie did he eat?
There were 127 pears and oranges in a box at first. 2/5 of the pears and 2/3 of the oranges were given away. In the end, there were a total of 65 pears and oranges left. How many more pears than oranges were in the box at first?
a whole Each freind get 1/18 Of Wh 5. Oscar's aunt lives 50 miles away. This is 6 times as far as Oscar's grandfather lives. How far away does Oscar's grandfather live? so SO 5. OScars Abuelo lives8113 miles awaye A banner has a length of 10 feet and an area of 7 square fe What is the width of the banner? Brady has three goldfish. This is times as many as Sam has. How many goldfish does Sam have? Lucy has hour to decorate a dozen cupcakes for a bake
Sam arrived home at 3:30pm. He took 20 mins to shower and change, 10 minutes to have a meal and 2 and a half hours to complete his homework. He watched tv for 1 and 3/4 hours and went to bed. What time did he go to bed?
Rosa gave 2/3 of her marble to her sister. Then she gave her best friend 3/4 of the rest. If Rosa has 6 marbles left, how many did she have at the start?
Brian has a challenging training regimen. He trains for two hours every other day. Out of these two hours he jogs for 13 minutes, stretches for 6 minutes, sprints for 3 minutes, rides a bicycle for 8 minutes, and lifts weights for 29 minutes. The rest of the time he is resting. What fraction of his training time is spent resting?
Trimming the grass at the university oval requires 6 mower operators to complete it in an 8-hour day work. How long will 12 mower operators complete the same task?
Sophia has a different bag only containing red grapes and green grapes. The number of grapes in her bag is different, but 4/9 of the grapes are also red. She picks out a red grape from her bag and eats it. 3/7 of the remaining grapes in her bag are red. How many of the remaining grapes in her bag are red and how many are green?
Ginger has 7 and 1/3 (it is a mixed number) yards of silk cloth from India. She has decided to divide the cloth equally into 3 parts, one for each of her siblings. How many yards of cloth does each person get?