Laurine and anna are running a 3-mile race. after 5 mins , laurine has run 3/4 mile and anna has run 7/10 mile. if both ladies can keep their same pace for the remainder of the race, how many minutes ahead of laurie will anna cross the finish line ? i need it asap plzz i will give the brainliest answer

5/3 = 1/4 mile every 1 2/3 minutes

1 mile = 1 2/3 * 4 = 6 2/3 minutes

3 miles x 6 2/3 = 20 minutes total for Laurine

5/7 = 1/10 mile every 0.714 minutes

0.714 *10 = 7.14 minutes per mile

7.14*3 =  21.42 minutes total for Anna

21.42 - 20 = 1.42 minutes =  1 minute 25 seconds faster

ratios represent a pattern or relationship that can be scaled.

equivalent ratios are pairs of ratios that represent the same relationship between quantities, and can be generated by multiplying or dividing both quantities in the ratio by the same factor.

in this lesson, students will use double number lines and ratio reasoning to solve ratio problems. by partitioning double number lines into proportionate intervals, students will build an understanding of equivalent ratio relationships as those that are generated by multiplying or dividing two related quantities by the same number. this lesson will build upon students' prior understanding of multiplicative comparisons, number line reasoning and equivalent fractions (while highlighting the difference between equivalent fractions and equivalent ratios); and will build toward future work in this unit on building ratio tables, and work in future grades in proportionality, scaling, and expressing and graphing linear functions.

step-by-step explanation:

ratios represent a pattern or relationship that can be scaled.

equivalent ratios are pairs of ratios that represent the same relationship between quantities, and can be generated by multiplying or dividing both quantities in the ratio by the same factor.

in this lesson, students will use double number lines and ratio reasoning to solve ratio problems. by partitioning double number lines into proportionate intervals, students will build an understanding of equivalent ratio relationships as those that are generated by multiplying or dividing two related quantities by the same number. this lesson will build upon students' prior understanding of multiplicative comparisons, number line reasoning and equivalent fractions (while highlighting the difference between equivalent fractions and equivalent ratios); and will build toward future work in this unit on building ratio tables, and work in future grades in proportionality, scaling, and expressing and graphing linear functions.

step-by-step explanation:

gym b charges $1.05 less per hour than gym a.