Four students had the following amounts of money in their pockets: $3.14,$67,$2.45,and$1.14.how much money did they have total?

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

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

Y= x – 6 x = –4 what is the solution to the system of equations? (–8, –4) (–4, –8) (–4, 4) (4, –4)