The product of two rational numbers is -42/63. One of the rational numbers is 7/27. Find the other. Chapter : Rational Numbers​​

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Find two numbers if their sum is 91 and the ratio is 6: 7?

Me : julio wears a blue shirt every 3 days. larry wears a blue shirt every 4 days. on april 11, both julio and larry wore a blue shirt. what is the next date that they will both wear a blue shirt?