4. what is the lcm of 4, 3, 10, and 8? * 80 240 120 30 5. which statement is true? * 29/35 < 20/30 14/21 > 17/24 18/32 > 16/32 20/15 < 28/23

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?