2/3 and 12/18 are equivalent fractions, and 12+18 = 30 so the answer is 12:18
Somewhere in the text, it must say that x = 2 and y = -1 or else, the values just seem made up out of thin air.
Answer:
x = 45
Step-by-step explanation:
0.4 + x(10%) = 4.9 . . . . . . given
x(10%) = 4.5 . . . . . . . . . subtract 0.4
x = 45 . . . . . . . . . . . . multiply by 10
_____
10 × 10% = 100% = 1
Since the √3 is about 1.73, it would fit best on the first line.
