Explain how you know whether to add or subtract when you use the distributive property to multiply

The distributive property of multiplication over addition can be used when you multiply a number by a sum. The distributive property lets you multiply a sum by multiplying each addend separately and then add the products:

The distributive property of multiplication over subtraction can be used when you multiply a number by a difference. The property states that the product of a number and the difference of two other numbers is equal to the difference of the products:

Therefore, you can see what sign is in the brackets, if sign is "+", then you have to add, if sign is "-", then you have to subtract.

the amount you'd have after the work is $1.55

step-by-step explanation:

you subtract 95% from $31.

lol we need to see what the question is asking about

step-by-step explanation: