Two pounds of sugar & three pounds of salt is/ are needed.And, for this, I guess 'are' would work because 'salt' & 'sugar' always 'are' needed.
Fifteen minutes for writing & ten minutes for checking the passage 'is' (not 'are', here, I guess) needed.
Please help!
Measure expressions like “two pounds of sugar” can be viewed as a single quantity of food, so although the quantity it denotes is plural in form, singular agreement can override the plural form in determining the form of the verb; thus we can have “Two pounds of sugar is what we need”. Note, though, that in general plural agreement is also possible. Where there are two separate items, a plural verb is normal, “Two pounds of sugar and three pounds of salt are required”, though singular agreement is also found.
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Measure expressions like “two pounds of sugar” can be viewed as a single quantity of food, so although the quantity it denotes is plural in form, singular agreement can override the plural form in determining the form of the verb; thus we can have “Two pounds of sugar is what we need”. Note, though, that in general plural agreement is also possible.
Where there are two separate it