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3/8 cups.

Step-by-step explanation:

2 tablespoons of sugar = 1/16 * 2 = 1/8 cup of sugar.

1/2 cup = 4/8 cups.

So the extra sugar required = 4/8 - 1/8

= 3/8 cups.

4) 3/8 cup

Step-by-step explanation:

1 table spoon = cup

2 table spoon = 2 * cup

Second recipe need (1/8) cup of sugar

First recipe need (1/2) cup of sugar

More amount of sugar need by first recipe=

y = x + 95

y = 42 + 95

y=137 mm hg