Kirsten and molly are on a 3-day bike ride. the entire route is 156 miles. on the first day, they biked 64 miles. on the second day, they biked 45 miles. how many miles do they have left to bike on the third day? a. 49 miles b. 47 miles c. 50 miles d. 48 miles

x= 47

Step-by-step explanation:

They are biking 3 days

64+45+x  where x is the distance on the third day

The total is 156

64+45+x = 156

Combine like terms

109 +x = 156

subtract 109 from each side

109+x-109 = 156-109

x =47

l.ln.lln.k.nkl

step-by-step explanation:

the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950