I don’t know the answer sorry
Because ratios can be written as fractions

172 =

172 -

=

76.44 mulch = x amount of gravel = 172
Gravel = 172 - 76.44
= 95.56

Start with the original expression.

Use the Distributive Property — multiply
by both
and
.

Combine the like terms — add up all the constants.

Reorder the terms.
