\(\large\frac{6}{25}=\frac{d}{30}\)

\(\large\frac{2.5}{6}=\frac{h}{9}\)

For every person who has the flu, there are 6 people who have only flu-like symptoms. If a doctor sees 40 patients, determine approximately how many patients you would expect to have only flu-like symptoms.

For every left-handed person, there are about 4 right-handed people. If there are 30 students in a class, predict the number of students who are right-handed.

Jeremiah is saving money from a tutoring job. After the first three weeks, he saved $135. Assume the situation is proportional. Use the unit rate to write an  equation relating the amount saved s to the number of weeks w worked. At this rate, how much will Jeremiah save after eight weeks?

Make a Prediction A speed limit of 100 kilometers per hour (kph) is approximately equal to 62 miles per hour (mph). Write an equation relating kilometers per  hour k to miles per hour m. Then predict the following measures. Round to the nearest tenth.

a. a speed limit in mph for a speed limit of 75 kph

b. a speed limit in kph for a speed limit of 20 mph