first one is ok
2nd:
18 yellow of 35
prob of yellow = 18/35
which is equivalent to 1 - 17/35 , or choice C
don't understand why they would not simplify that.
23.At Thursday's volleyball game there 4 fans from Hudson for every 5 fans from Brandenburg in attendance. If there were a total of 180 fans in attendance how many could be expected to be from Hudson?
80
24.Monica has a box of 35 colored drinking straws. The box contains 17 red straws and the rest are yellow straws. If Monica selects one start from the box without looking which expression represents the probability that she will choose a yellow straw?
A.1+17/35
B.1+17/18
C.1-17/35
D.1-17/18
A
2 answers
The first one can be done through trial and error. Just find out the x which will fit the equation:
Answer is:
5x 5(20)= 100
and IS EQUAL TO 180 =180
4x 4(20)= 80
Answer is:
5x 5(20)= 100
and IS EQUAL TO 180 =180
4x 4(20)= 80