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3 years ago

If (t+10)+t=t+20, what is the value of t?

Mathematics

2 answers:

Wewaii [24]3 years ago

6 0

Answer:

t=10

Step-by-step explanation:

(t+10)+t=t+20,

Combine like terms

2t+10 = t+20

Subtract t from each side

2t-t+10 =t-t+20

t+10 =20

Subtract 10 from each side

t+10-10 = 20-10

t = 10

Lady bird [3.3K]3 years ago

6 0

Answer:

t = 10

Step-by-step explanation:

2t+10 = t+20

-t -t

__________

t + 10 = 20

-10 -10

_________

t = 10

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A recipe for pie dough calls for a ratio of butter to flour of 3/4:2 1/2. If you plan to use 10 cups of flour, how much butter s

dybincka [34]

Answer:

Therefore 3 cup of butter should be used to keep the same ratio.

Step-by-step explanation:

Given, a recipe for pie dough calls for ratio of butter to flour of $\frac{3}{4}:2\frac{1}{2}$ $=\frac{3}{4} :\frac{5}{2}$

${butter}:{flour} =\frac{3}{4} :\frac{5}{2}$

$\Rightarrow\frac {butter}{flour} =\frac{\frac{3}{4} }{\frac{5}{2}}$

Let, x cups of butter needed.

Given,Flour = 10 cups

$\therefore \frac {x}{10} =\frac{\frac{3}{4} }{\frac{5}{2}}$

$\Rightarrow {x} =\frac{\frac{3}{4}\times 10 }{\frac{5}{2}}$

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Therefore 3 cup of butter should be used to keep the same ratio.

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3 years ago