Jessica and Sarah collect insects. Jessica has 234 insects. Sarah has 2.5 times as many insects as Jessica. Jessica and Sarah's friend, Marie, wants to start an insect collection too. Marie buys 10 insects. Marie also buys 4 times as many insects as Jessica has in her collection. Insects cost 0.25 each. Jessica, Sarah, and Marie each had 300 dollars when they began collecting insects.
a. How many insects does each girl have?
b. How much money did each girl spend on the insects?
c. How much money does each girl have now? Show all your mathematical thinking.
