spider and ants after John counted the legs and heads were 68 legs and 10 heads.

a. how many spiders were there?

b. how many ants were there?

2 answers

heads: s+a=10
legs: 8s+6a=68

Now just solve for s and a.
The picture below shows a group of 10 straws.

How many straws are in 8 of these groups?

A.
8

B.
80

C.
88

D.
800