Solve and Find the Value of Y,given 3x + 5y
Solve and find the value of y,given 3x + 5y = 5 and x + 2y = 1
Sobeys sells fruit trays consisting of pineapple and melons.The manager of the fruit department obtains pineapples at a wholesale price of $2.50 per kg,grapes at $2.15 per kg,strawberries at $1.50 per kg and melons at $1.85 per kg.He is required to produce 10 kg of the mixed fruit.He is required to add 2 kg of strawberries and 3 kg of grapes.What is the maximum weight of pineapple that he can put in the mix in order to have an effective wholesale cost no greater than $2.00 per kg?
An electrician charges a flat fee of $90 for a home service call.In addition he charges $25 for every 20 minutes as labour cost.If one writes an equation to calculate total charges in terms of hours of labour,what will be the slope of the line? A)25 B)90 C)50 D)75 E)100