Check whether the following statements show direct proportion. Draw a happy face if it shows direct proportion and a sad face if not. 1.) Three pieces of pad paper cost P1.00 while 21 pieces of pad 2.) Four colored pencils cost 25.00 while 5 colored pencils Activity B Day 2 paper cost P7.00. P20.00. 3.) Two boiled bananas cost P7.00 while 6 boiled bananas cost P21.00. 4.) Three teachers for every 125 pupils:5 teachers for every 100 pupils 5.) A motorist travels 275 km in 5 hours and continue traveling at 140 km for 2 hours.