2 |10,18
, |_________
5,9
The GCF of 10 and 18 is 2.
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2 |10,18 , |_________ 5,9 The GCF is 2.
The GCF of 18 and 57 is 3.
18 over 20 -- 18/20 -- is a fraction that can be reduced to 9/10. Like all fractions, it is an expression of the division function. The "slash" means "divided by." Thus 18/20 = 9/10 = nine divided by ten = 0.9 in decimal form. For a little calculator fun, try this: punch in 18 divided by 20, then punch in 9 divided by 10. I'll bet you'll get the exact same answer.
10 percent of 180 dollars = $1810% of $18= 10% * $18= 10%/100% * $18= $18/10 or $1.8
yes 1/10 x 18 = 18/10 = 1.8