Mathematics, 28.03.2021 20:40 bnbjj

The cost of 2kg of apples and 1 kg of grapes on a day was found to be 160rs. After a month, the cost of 4kg of apples and 2kg of grapes is 300rs. 1. What is the cost of 1kg of apple.
2. How much does it cost to buy 3kg of Apple and 3kg of grapes
3. How many kg of apples and grapes can you buy with 420rs

Answers: 2

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Answer from: Quest

step-by-step explanation:

Answer from: Quest

First, think of what you know. you know that the number t the end of the equation will need to be subtracted because it is the money he lost from buying the lawn mower. and your first two weeks have negative profit, so that tells you that c and d are wrong. now you can plug any of the weeks into a and b to see which one works. i'll start with plugging week 1 into a. $y = 60(1) - 90 \\ y = 60 - 90 \\ y = - 30$ this isn't right because it says your answer for week one should be -90.so now we need to try the same thing with b. $y = 60(1) - 150 \\ y = 60 - 150 \\ y = - 90$ this one got you the right answer, (sometimes if you only check with one of the weeks multiple will work so you need to check with more of the weeks, but it worked out fine here)this means that b is the correct answer.let me know if you need more clarification. i hope this : )

Answer from: Quest

answer: the proof is mentioned below.

step-by-step explanation:

since, given: lines bc = ef

prove: lines ac > ef

statements reason

1. bc=ef 1. given

2. ac= ab+bc 2. because b is the point between the

line segment ac

3. ac > bc 3. because if a line segment is equal to

the sum of two line segments then it is

always greater then each of these

individual line segments

4. ac > ef 4. by equality property.

Answer from: Quest

if p is true and q is false, then p ∨ q is true

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