7a + 6c + 9a - 15c
-- Look for all the 'a's 7a, 9a
-- Addum up 16a
-- Look for all the 'c's 6c, -15c
-- Addum up -9c
-- Write the results 16a - 9c
Answer:
30 and 47
their difference is 17 and when multiplied equal 1410
Answer:
Poundsis not equivalent to one of the metric units, that is WEIGHT.
1.8903
because if you do the math its easy