Ayuda
claudio fabrica barriletes, para cada uno usa 2 pliegos de papel y 4 varillas. si tiene 20 varillas y 7 pliegos. para cuantos barriletes le

a) 4
b)3
c)20
d)15

What is the exact volume of the cylinder? 16in going into the middle of the top of the cylinder and 40in in height a) 25,600(pi)3 b)10,240(pi)3 c)1280(pi)3 d)640(pi)3

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.