SOLUTION: Sliding at 18 cm/min instead of just 16 cm/min, a slug saves 25 seconds crossing a cabbage leaf. How long is the leaf, in cm?

Question 1172769: Sliding at 18 cm/min instead of just 16 cm/min, a slug saves 25 seconds crossing a cabbage leaf. How long is the leaf, in cm?
Answer by ikleyn(52847) (Show Source): You can put this solution on YOUR website!
.


Let x be the unknown length, in centimeters.


Then you have this "time" equation


     -  =   minutes.


To solve it, multiply both sides by 16*18*60.  You will get then


    18*60x - 16*60x = 25*16*18,   or

       x =  = now use your calculator = 60.


ANSWER.  The unknown length is 60 cm.

Solved.

------------

Using "time" equation is a STANDARD method of solving such problems.
From this lesson, learn on how to write, how to use and how to solve a "time" equation.

To see many other similar solved problems, look into the lessons
    - Had a car move faster it would arrive sooner
    - How far do you live from school?
    - Earthquake waves
    - Time equation: HOW TO use, HOW TO write and HOW TO solve it
in this site.

RELATED QUESTIONS
Sliding at 18 cm/min instead of 16 cm/min, a slug saves 25 seconds crossing a cabbage... (answered by josgarithmetic,ikleyn)

A leaf falls from a tree into a yard, 1000 cm * 600 cm. Two round buckets are in the... (answered by Fombitz)

One kind of bug can eat a leaf in 7 minutes. Another kind can eat the same leaf in 22... (answered by solver91311)

A lizard jumps stright up from the ground. The lizard lands on a leaf that was directly... (answered by ikleyn)

Write a proportion for each problem, and solve for the unknown number. A. Leaf-cutter... (answered by stanbon)

A lizard jumps stright up from the ground. The lizard lands on a leaf that was directly... (answered by ikleyn)

A machine is supposed to fill juice bottles with 16 fluid ounces of juice. The... (answered by Fombitz)

The leaf-cutter ant is about 1.27 cm long and takes strides of 0.84 cm. If a person... (answered by checkley77)

A snail is moving at a pace of 5 cm/min (cm per mintue). How fast is the snail moving in (answered by benni1013,MathLover1,josh_jordan)