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3/5 of a number is 162. what is the number?

SOLVING ALGEBRAICALLY3/5 of "a number" = 3/5 of "x"3/5 of x is equivalent to (3x)/5(3x)/5 = 162Move the "5" to the other side by multiplying:3x = (162x5) = 810We now have 3x = 8...
FJ
Answered by Fred J. • Maths tutor
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How do I approach an unseen extract?

The first thing that I would do when approaching an unseen extract is to read the extract all the way through without making any notes - this will allow you to gain a complete understanding of the text and w...
NC
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What is the difference between the preterite and the imperfect tense?

Spanish has two past tenses: preterite and imperfect. Most verbs can be put into either tense, depending upon the meaning. Generally speaking, the preterite is used for actions in the past that are seen as c...
AG
Answered by Alexandra G. • Spanish tutor
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How could I improve the register of my French language?

The register, or the formality of your language, is definitely something to consider both in written and spoken French. There are many ways to improve the register of the language, which will not only increa...
TD
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10 The table gives information about the heights of 50 trees. Height (h metres) Frequency 0 < h - 4 ,8, 4 < h - 8 ,21, 8 < h - 12, 12, 12 < h - 16, 7, 16 < h - 20, 2. Work out an estimate for the mean height of the trees.

First find the appropriate mid points of each set of intervals. These will be 2, 6, 10, 14 and 18, and you get these my dividing in two the interval range. Then multiply each midpoint by the corresponding fr...
CW
Answered by Charlie W. • Maths tutor
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