Problems at a times greater
'4. Caitlin travels for 1 hours to visit a friend rate
who lives 41 miles away. Martin travels 4 athar
miles to visit a friend. It takes him 15 hours .
to get there. Who travels at a greater rate
of miles per hour?

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