Question
Who was Leonardo Del Vecchio, who recently
died?Solution
Leonardo Del Vecchio, the Italian entrepreneur who started with a tiny optics workshop in the Dolomite Mountains and ended up as the undisputed world leader in eyewear, has His company, EssilorLuxottica, rode a series of acquisitions to eventually become the world leader in the industry. Globally recognized names Ray-Ban and Oakley were among the scores of eyewear brands Del Vecchio bought on his way to the top. Del Vecchio’s net worth was $25.7 billion as of June 1, according to the Bloomberg Billionaires Index.
- Find the simplified form of the following expression:
128 - 85 of 2 + 26 X 4 4387897 – 3286871 – 51926 = ?
(22.5 × 24) ÷ 40 + 51.50 = ? ÷ 5.25
30% of 60% of 1800 + 13 × 14 = (? ÷ 75) × 5
25% of 400 + 3 × 102 = ?2Â
- Identify x such that x% of 540 plus {1080 ÷ x of 9} × 6 gives 162
(64/25)? × (125/512)?-1 = 5/8
36% of 640 – 12.5% of 352 + 25% of 640 = ? – 48% of 432
72 + 122 - 25% of 600 = ?
(168 ÷ 12 + 19 × 64)/(22+1) = ?