True. Both denominators (5x and 12x) divide into 60x without a remainder.
136 + x = 189
-136 -136
x = 53
Arthur must earn $53 in the next week to buy the new coat.
<span>5y^2 = 405
y^2 = 405/5
y^2 = 81
y = - 9 and y = 9
answer
</span><span>±9</span>
20/3 - Take the 6 2/3, multiply the 6 and the 3 (6 x 3 = 18), then add the 2 (18 + 2 = 20). Put that number over the original 3 and you've got yourself a mixed number.