Astory of ratios
lesson 10 problem set
8
1. eman walks from the store to her friend's house, 2 miles away. it takes her 35 minutes,
a. what fraction represents her constant speed, c?
b. write the fraction that represents her constant speed, c, if she walks y miles in 10 minutes,
c. write and solve a proportion using the fractions from parts (a) and (b) to determine how many miles she walk
after 10 minutes. round your answer to the hundredths place,
d. write a two-variable equation to represent how many miles eman can walk over any time interval.
2. erika drives from school to soccer practice 13 miles away. it takes her 7 minutes,
a. what fraction represents her constant speed, c?
b. what fraction represents her constant speed, c, if it takes her x minutes to drive exactly 1 mile?
c. write and solve a proportion using the fractions from parts (a) and (b) to determine how much time it takes
her to drive exactly 1 mile, round your answer to the tenths place,
d. write a two-variable equation to represent how many miles erika can drive over any time interval