4). x/5 =8
x = 40
5). 2x/3 = 12
2x = 36
x = 36/2 = 18
6). x + 26 =12
x = 12 - 26 = -14
7). 8x + 1 = -23
8x = -23 -1
8x = -24
x = -24/8 = -3
8). 2x + 5 =15
2x = 15 - 5
2x = 10
x = 10/2 = 5
9). 3x - 1 = -29
3x = -29 + 1
3x = -28
x = -28/3 Or 9.33
10). 8x - 12 = 53
8x = 53 + 12
8x = 65
x = 65/8 Or 8.12
11). 4x + 7 = 25
4x = 25 - 7
4x = 18
x =18/4 = 9/2 Or 4.5
1) 10.5 = 10 1/2 = 21/2 ounces in bottle
2) 21/2 * 1/16 = 21/32 ounces one use
3) 21/32 * 6 = 63/16 ounces six use
4) 21/2 - 63/16 = 168/16 - 63/16 = 105/16 = 6 9/16 ounces left
Answer:
Step-by-step explanation:
Let the number of blue marbles be x
The number of green marbles = 3x - 2
Total marbles= 18
x + 3x -2 = 18
4x - 2 = 18
4x = 18+2
4x = 20
x =20/4
x =5
The number of blue marbles = 5
The number of green marbles = 3*5 - 2 = 15 -2 = 13
The fraction of the bag are red and yellow are 17/30.
Add the two fractions together but first rewrite the fractions with a common denominator;
4/15 = 8/30;
3/10 = 9/30;
8/30 + 9/30 = 17/30;
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