3 years ago

15% of a mass is 45 g. Calculate 20% of the mass

2 answers:

7 0

15%=45
divide 3
5%=15
double
10%=30
double
20%=60

60 grams

legit way
percent/mass=15/45=1/3

1/3=20/?
times both sides by 3?
?=3*20
?=60

60g

ira [324]3 years ago

4 0

What is 100% of the mass ?

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klio [65]

Answer:

$Cost\ of\ gift=\$ 388.8$

Step-by-step explanation:

Original Price $=\$450$

Discount:

Discount $=20\%$

$20\%\ of\ 450=\frac{20}{100}\times 450=90\\\\Discounted\ Price=450-90=\$360$

Tax:

Tax $=8\%$

$8\%\ of\ 360=\frac{8}{100}\times 360=28.8\\\\Final\ cost=360+28.8=\$388.8$

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3 years ago

pychu [463]

Divide them both by three and you will get your answer, which is 5/24

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ddd [48]

First Distribute, then subtract and you’ll get -4x+3

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krok68 [10]

1/5^2 = 1/25
1/5^1 = 1/5
1/5^0 = 1
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1/5^-2 = 25

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3 years ago

Leni [432]

Answer:

D supplementary angles

Step-by-step explanation:

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3 years ago