Answer:
5 point
Step-by-step explanation:
dividing the ratio
200/3+3+4=200/10=20
# of exercises
T 3 x 20=60
H 3 x 20=60
S 4 x 20=80
# of points
T60 x 5=300
H 60x 5=300
S 80 x 8=640
total points: 1240
So Helen recieved 5 points for each exercise completed
becaseu tom and helen have the same ratio
Answer:
8/5
Step-by-step explanation:
(5/8)^-1
The negative exponent means put it in the denominator
1/ (5/8)
1 ÷ (5/8)
Copy dot flip
1 * 8/5
8/5
Answer:
9
Step-by-step explanation:
Answer:
3/4 and 6/8 = 3/4 and 3/4
Step-by-step explanation:
1/4 and 1/8
2/4 and 3/8
3/4 and 6/8
3/4 and 7/8
Which pair of fractions are equivalent?
1/4 and 1/8
Not equivalent
2/4 and 3/8
Not equivalent
3/4 and 6/8
Divide both numerator and denominator of 6/8 by 2
3/4 and 3/4
Equivalent
3/4 and 7/8
Not equivalent