3 years ago

Evaluate the expression. 1.2 + 0.8 ÷ 4 – 3(0.7 – 0.81) plz hurry

Mathematics

1 answer:

bekas [8.4K]3 years ago

7 0

Answer:

1.73

Step-by-step explanation:

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3 years ago

Nick is making bread dough.

LiRa [457]

Answer:

He would need $\frac{3}{2}=1\frac{1}{2}$ cups of salt.

Step-by-step explanation:

We are given that,

The recipe requires $\frac{3}{4}$ cups of flour and $1\frac{1}{8}=\frac{9}{8}$ teaspoons of salr.

As Nick wants to make the recipe using 1 cup.

Let the amount of salt needed = x

The ratio of the flour and salt will be same.

So, we have,

$\frac{\frac{3}{4}}{\frac{9}{8}}=\frac{1}{x}$

i.e. $\frac{3\times 8}{4\time 9}=\frac{1}{x}$

i.e. $\frac{2}{3}=\frac{1}{x}$

i.e. $x=\frac{3}{2}=1\frac{1}{2}$

Thus, he would need $\frac{3}{2}=1\frac{1}{2}$ cups of salt if 1 cup of flour is used.

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