Mathematics, 17.10.2019 02:30 MK100
Gunpowder can be prepared by saltpetre and nitrous oxide. price of saltpetre is thrice the price of nitrous oxide. notorious gangster pitbull sells the gunpowder at $2160 per 10 g, thereby making a profit of 20% . if the ratio of saltpetre and nitrous oxide in the mixture be 2: 3, find the cost price of saltpetre.
Answers: 2
Mathematics, 21.06.2019 19:00, munozgiselle
If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9
Answers: 2
Mathematics, 22.06.2019 00:00, dragonslayer321
Yvaries inversely as x. y =12 when x=5. find y when x=4
Answers: 2
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