Mathematics, 23.06.2019 09:30 quanyoung88

1. a man travels 70km at a certain average speed on a dual carriage way. he then reduces his speed by 30km\h to cover a distance of 50km on a bad road. if the time taken is the same for both parts of the journey, calculate a. his average speed for each part of the journey b. the average speed for the whole journey 2. a girl went to shop to buy pineapple and apple .a pineapple costs #2 more than an apple. the girl bought as many pineapples for #60 as she bought pineapples for #54.how much does a pineapple and an apple cost together 3. the sum of the ages of mr daniel and his daughter is 60 years.5 years ago the ratio of their ages was 1: 4 a. how old are the now b. find the difference between their ages

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1. a man travels 70km at a certain average speed on a dual carriage way. he then reduces his speed b...

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