I guess sides and angles !
Answer:
36.25
Step-by-step explanation:
The three in 20.342 has a value of 0.3, so a three one hundred times greater would be 0.3 times 100, which is 30.
Next, find the choice that has a three in the ten's place, which represents a 30.
If we want to select a ball of each colour we have to extract 175+150+75+70+1=471 balls
P=471/500 is the answer
The pattern rule is minus 57.
564 - 57 = 507.
The answer is 507.
The easy thing to do is eliminate x by subtraction
x + 7y = 24
- x - 9y = -24
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16y = 48
now solve for y and then substitute the value into either original equation to find x