Ciara is making a new dance outfit. She needs 2½ yards of fabric for the shawl. She needs 1¾ yards of fabric for the dress. If she has 3 yards of fabric, how much more does she need? If each yard of fabric costs $7.98, how much money does Ciara need?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of