Answer:
pick a group of 3 randomly: 10C3 = 120
pick a group of 3 girls: 4C3 = 4
Probability=4/120=1/30
Answer: 3km 42n
Add 2km 35m and 1km 7m together. This will give you your answer of 3km 42n
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Answer:
-21 = 6t
Step-by-step explanation:
3t - 7 = 5t
Subtract 3t from each side
3t -7 -3t = 5t -3t
-7 = 2t
Multiply each side by 3 to get 6t
-7*3 = 2t*3
-21 = 6t
Answer:
x =56
Step-by-step explanation:
1/4 x - 1 =13
Add 1 to each side
1/4x - 1+1 = 13+1
1/4 x = 14
Multiply each side by 4
1/4x * 4 = 14*4
x =56