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vova2212 [387]
3 years ago
8

A jewellery shop is having a sale.

Mathematics
1 answer:
elena-s [515]3 years ago
3 0

Step-by-step explanation:

if 70% of the orice is 420 then

70x = 100 × 420

70x = 42000

x = 42000/70

x = 600

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3x + 4 = 8x – 11 does anyone know how to do this ​
Nataly [62]

Answer:

x = 3

Step-by-step explanation:

Subtract 8x from both sides.

3x+4−8x=8x−11−8x

−5x+4=−11

Subtract 4 from both sides.

−5x+4−4=−11−4

−5x=−15

Divide both sides by -5.

−5x

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8 0
3 years ago
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Easy question for easy points
poizon [28]

Answer:

50 berries left over

Step-by-step explanation:

55 berries     1700 berries

--------------- = -------------------

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Using cross products

55x = 1700*1

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Changing to a mixed number

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30 *55 =16501700-1650 = 50

x = 30 50/55 = 30 10/11

There are 50 berries left over

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3 years ago
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Which of the following has a shallower slope than the line 3x-1y=-1 ?
BaLLatris [955]
1/5 (c) since it goes up only one and then over 5
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1. Mr. Hudson bought some shirts for the new members of his band. The cost for the number of shirts, including $3.99 shipping, w
nignag [31]

Answer:

6x + 4 - 1/100 = 77.5

Step-by-step explanation:

Inc shipping all shirts 77.49

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Then we divide 73.5 / 12.25 = 6

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6x + 4 - 1/100 = 77.5

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