rationalise the denominator by multiplying both top and bottom by (8-5√3) then expand and simplify
It would be five times as many planes so 12*5=60 planes
You have to be able to take the words written down and put them into mathematical symbols. The word "is" means =, the word "of" means to multiply, "what number" is x, your unknown. So translating that from words to an equation looks like this: 19 = .06x. Divide both sides by .06 to get x = 316 2/3
She earns ($9.70x40) for a 40 hour week=$388
She earned $489.85-$388 extra= $101.85
She gets paid $9.7x1.5 for every extra hour=$14.55
She worked $101.85/$14.55 hours extra=7hours
She worked 7+40 hours that week=47 hours
