This scale can be used to change between kilometres and miles 30
40
so
miles
9 10
0 10 20
kilometres
20
30
40
50
60
70
RO
(a) Use the scale to change 20 kilometres to miles.
13 miles
Here is an approximate rule to change from kilometres to miles.
Divide the distance in kilometres by 10 and then multiply by 6
(6) Use this approximate rule to change 20 kilometres to miles.
miles
(2)
(c) Compare your answer to part (b) with your answer to part (a).

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

For the word below, click on the drop-down arrows to select the root and its meaning. version