What is 2/3 x 9/8 in simplest form?

Mathematics

1 answer:

kumpel [21]3 years ago

6 0

$\dfrac{\not2^1}{\not3_1}\cdot\dfrac{\not9^3}{\not8_4}=\dfrac{1}{1}\cdot\dfrac{3}{4}=\boxed{\frac{3}{4}}$

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A customer buys five cans of baked beans, four packets of brown sugar and two packets of biscuits from a supermarket.He gives th

Naily [24]

Can of baked beans = x
packet of brown sugar = y
packet of biscuit = z

5x + 4y + 2z = 150 - 26 ⇒ 5x + 4y + 2z = 124 is the total cost of all items.

can of baked beans = x = 1/2 of z
packet of sugar = y = z - 3

5(z/2) + 4(z-3) + 2z = 124
5z/2 + 4z - 12 + 2z = 124
5z/2 + 6z = 124 + 12
2(5z/2 + 6z) = 2(136)
5z + 12z = 272
17z = 272
z = 16 cost of a packet of biscuit.

x = 1/2 of z = 16/2 = 8 cost of a can of baked beans
y = z - 3 = 16 - 3 = 13 cost of a packet of sugar

5x + 4y + 2z = 124
5(8) + 4(13) + 2(16) = 124
40 + 52 + 32 = 124
124 = 124

8(8) + 1(13) + 6(16) = 64 + 13 + 96 = 173 total cost on question 3.

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4 years ago

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hodyreva [135]

Look at the attached picture ⤴

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