Answer:
16 and 4
Step-by-step explanation:
x + y= 20
x -y =12
(add both equal #'s)
2x =32
x = 16
y=4
♡
16 girls. 12 divided by 4 is 3, so this means that you have to take 4 and multiply it by 4 which equals to 16.
Answer:
.9 or 90%
.1 or 10%
Step-by-step explanation:
E= Exam
P=Paper
E= .71
P= .45
E∩P=.26
A.) E∪P=?
E∪P= E+P-E∩P
.71+.45-.26= .9
B.) E'∩P' = (E∪P)'
(E∪P)' = 1-.9 = .1
Answer:
a) Eva will need 2 bags of clay to make both pieces of pottery.
b) She will have leftover
pounds of clay.
Step-by-step explanation:
Hi
a) We have to find the total amount of clay, as she needs
and
, so
, is the total amount of clay. Then as we Know that one bag of clay has
, It isn´t enough, but with two bags
, It is enough clay.
b) She will have leftover
of the second bag, then we add the third one, so
are leftover.