There are 20 counters in a bag. 2 of the counters are white.
1 of the counters is pink.
4 of the counters are black
The rest of the counters are purple.
Carter takes a counter at random from the bag.
3
Show that the probability that the counter is white or purple is
4

Julius went on a volunteer trip to centralamerica and took medical supplies with him.he packed a bag with 50 pounds of supplies.he brought pieces of equipment that weighed10 pounds each and bottles of medicine thatweighed pound each prepresents thenumber of pieces of equipment he broughtand b represents the number of bottles ofmedicine he brought then the total weight canbe represented by the equation 10p+b 50.the brought 3 pieces of equipment, how manybottles of medicine did he bring?