3. which function has a greater constant
rate of change? explain.
function a: y= 10x - 3
function b
x 1|2 |3 4 5
i y 20 15 10 5 o

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