A fraction minus 4 / 5 and 2 / 3, the difference is 7 / 15

A fraction minus 4 / 5 and 2 / 3, the difference is 7 / 15

Let this number be X
X(1-4/5)-2/3=7/15
1/5X=7/15+2/3
1/5X=17/15
X =17/3

1 minus the product of 5 / 8 and 6 / 15, what's the difference divided by 4 / 5
There is also a number whose 2 / 3 minus 40 is equal to his 3 / 7. Find this number and solve it in a square

(1-5/8×6/15)÷4/5
=(1-1/4)÷4/5
=3/4×5/4
=15/16
The result is 15 out of 16

|How much is ten Z + 3 + 4 + 5 ten 6 + 7 ten 8 ten Q + Lo two?

Hello
|X z + 3 + 4 + 5 x 6 + 7 x 8 x Q + Lo = 55
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48 △ [(- 2) 3-4 × 6.25 × 1)] x (- 8) × 0.125

=48/（-2/3+25-1）-1=48/（70/3）—1=37/35

1.2 times of a number minus 1.4 is exactly equal to half of itself plus 3.5. Find a number 7x-3.8 + 6.2 = 10 + 2x 10x - (2x + 6) = 8
7x-3.8+6.2＝10+2x 10x-(2x+6)=8

Let a number be X,
Then 1.2x-1.4 = 0.5x + 3.5
1.2x-0.5x=3.5+1.4
0.7x=4.9
So x = 7
If 7x-3.8 + 6.2 = 10 + 2x, 7x-2x = 10-6.2 + 3.8, 5x = 7.6, then x = 1.52
10x - (2x + 6) = 8, then 10x-2x-6 = 8, then 8x = 6 + 8, the solution is x = 1.75

What's the difference between 3 / 4 of a number and 5 times of 4 / 25?

8 out of 5
Let this number be X
3 / 4-25 / 4 × 5 = 2 / 5
3 out of 4 - 4 out of 5 = 2 out of 5
3x of 4 = 2 of 5 + 4 of 5
3x out of 4 = 6 out of 5
X = 6 / 5 ／ 3 / 4
X = 8 / 5

[3 and 7 / 8 + (1 / 4 + 2.25 * 1 / 3)]

Original formula = 3 and 7 / 8 + (1 / 4 + 9 / 4 * 1 / 3)
=3 and 7 / 8 + (1 / 4 + 3 / 4)
=3 and 7 / 8 + 1
=4 and 7 / 8

(1 / 3 + 1 / 4) / (8 + 1 / 25%)

A:
(1 / 3 + 1 / 4) / (8 + 1 / 25%)
=(1/3+1/4)÷(8+4)
=[ (3+4)/12 ] ÷12
=7/144

8:25-3.875-2:1-1.16

8+25/4-3.875-2-1/8-1.16
=8+6.25-3.875-2-0.125-1.16
=8-2-(3.875+0.125)+6.25-1.16
=6-4+6.25-1.16
=7.09

3.14 * 1 and 3 / 8 + 0.314 * 4 / 25-31.4 * 0.2
84155 6640

3.14 * 1 and 3 / 8 + 0.314 * 4 / 25-31.4 * 0.2
=3.14×（1+3/8+25/40-2）
=3.14×(1+3/8+5/8-2)
=0;
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