When Souta went to Sweden, 1 Swedish krona was worth about 0.12 US dollar. He took d dollars on the trip. Which equation could be used to find

the value in Swedish krona, k, of the dollars?

A

k = 0.12d

B

d

k=

0.12

с

0.12

k=

d

D k= 1.12d

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