You and a friend get a pizza you eat 1/3 of the pizza and your friend eats 2/5 of the pizza how much of the pizza is left

Write 17/20 as a decimal and as a percent.

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.