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How to solve the inequality 4(x+3) < 60?

As we are working with an inequality we have to pay attention every time to the symbol, in this case less &lt;, that rules the inequality. The first step to solve it, it is the expansion of the LHS, so we ha...
AP
Answered by Ana P. • Maths tutor
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In a village the number of houses and the number of flats are in the ratio 7 : 4 the number of flats and the number of bungalows are in the ratio 8 : 5 There are 50 bungalows in the village. How many houses are there in the village?

Firstly it is important to read the whole question to make sure the all the information you have been given is understood. As we know there are 50 bungalows we can use the ratio of flats to bungalows to find...
JH
Answered by Jessica H. • Maths tutor
12580 Views

Expand 4x(x+2)

For this type of question, we always simply take the term outside the bracket and multiply it with the terms inside the bracket sequentially. So, first we evaluate 4x * x, which gives us 4x 2 . Next, we eval...
CC
Answered by Callum C. • Maths tutor
6480 Views

3kg of oranges cost £54. 5kg of apples cost £60. Nina buys 2kg of oranges and 7kg of apples. How much does Nina Pay

First lets start with calculating how much 2kg of oranges cost (we do this by cross multiplying):so if 3kg = £54 2kg = £xto determine the value of x, we can write the following equation:3x = 54 23x = 108x = ...
AB
Answered by Aditi B. • Maths tutor
4500 Views

Solve 5(x + 3) < 60

Firstly multiply out the brackets. This would equal 5x + 15 &lt; 60. Now move all the x terms onto one side and all the constants on to the other side. You can do this be doing minus 15 to both sides. 5x &lt...
AS
Answered by Aadya S. • Maths tutor
4655 Views