Question

Eva wants to make two pieces of pottery.She needs 3/5 pound of clay for one piece and 7/10 pound of clay for the other piece.She has three bags of clay that weigh 4/5 pound each.How many bags of clay will Eva need to make both pieces of pottery?How many pounds of clay will she have left over

Answer 1

a) Eva will need 2 bags of clay to make both pieces of pottery.

b) She will have leftover
`(11)/(10)` pounds of clay.

Explanation:

Hi

a) We have to find the total amount of clay, as she needs
`(3)/(5)pound=P_(1)` and
`(7)/(10)pound=P_(2)`, so
`P_(1)+P_(2)= (3)/(5) +(7)/(10) =(6+7)/(10)=(13)/(10)pounds`, is the total amount of clay. Then as we Know that one bag of clay has
`(4)/(5) =(8)/(10) pounds`, It isn´t enough, but with two bags
`2*(8)/(10)=(16)/(10)  pounds`, It is enough clay.

b) She will have leftover
`(16)/(10) -(13)/(10) =(3)/(10)pounds` of the second bag, then we add the third one, so
`(3)/(10) +(8)/(10) =(11)/(10)pounds` are leftover.