Answer:
8/52
Step-by-step explanation:
There are 4 Jacks and 4 Queens in a deck of 52 cards, bumping the odds up to 8/52.
q= 6
r= 7
work--
Multiply 1st column by -2:
-30q+8r=-124
5q+8r=86
Subtract 2nd column from the first column:
-35q= -210
Solve for q:
q=6
Subtract q=6 by any of the two equations, so:
-30q+8r=-124
-30*6+8r=-124
Solve for r:
r=7
Answer:
1.25
Step-by-step explanation:
to find the unit rate you have to find out how much one pound will be so you divide 15 by 12 and you get 1.25
Step-by-step explanation:
A - 2.5 = 1.5
A = 1.5 + 2.5 (Add 2.5 on both sides)
A = 4.
Answer: 7
Step-by-step explanation:
14*1=14
14/2=7