I need help with math it’s due Saturday!

The mass of riboflavin in one small serving (75 g) of raw almonds is 0.87 mg less
than the mass of riboflavin in 21 small servings of raw almonds. What is the mass
of riboflavin in one small serving of raw almonds?

a) Write an equation that models the situation.

b) Solve the equation using guess and check.

c) Solve the equation by isolating the variable

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

explanation:

step-by-step explanation:

idk

step-by-step explanation: