What is two fifths plus one quarter

Mrs.renoir has completed the interior portion of a quilt top measuring

Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?