Answer:
y = 4
Step-by-step explanation:
distribute
10 + 2y = 18
minus 10 from both sides
2y = 8
divide by 2
y = 4
Answer:
-8
Step-by-step explanation:
r=2
so multiply third term by 2
Equations:
m = k + 5
k = s + 2
m + k + s = 30
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Substitute for "m" and for "s"::
k+5 + k + k-2 = 30
3k +3 = 30
3k = 27
Kirsty has 9 marbles
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Mina has 9+5 = 14 marbles
Seb has 9-2 = 7 marbles
Answer:
a dice goes from 1-6
6+1=7
6+2=8
6+3=9
6+4=10
6+5=11
6+6=12
Of those possible choices, 5 are greater than or equal to 8. So the answer is 5/6.
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