Answer:
$13.86
Step-by-step explanation:
$5.94 / 3 = $1.98
1 slice = $1.98
7 slices = $1.98 x 7 = $13.86
Answer:
Ellen invested $60 and Bob invested $140
Step-by-step explanation:
let the two amounts invested by 3x and 7x
(notice 3x : 7x = 3 : 7 )
then 3x + 7x = 200
10x = 200
x = 20
then 3x = 3(20) = 60
and 7x = 7(20) = 140
60+140=200
Answer:
71%
Step-by-step explanation:
Conditional Probability: <u>P(A and B)</u>
P(A)
P(A and B): 0.5
P(A): 0.7
=0.5/0.7
=0.71428... (x 100)
Answer:
Step-by-step explanation:
1¾ miles/(2⅓ minutes) = (7/4 miles)/(7/3 minutes) = ¾ mile/minute
21 minutes × ¾ mile/minute = 15.75 miles
60 minutes × ¾ mile/minute = 45 miles