Aparking meter contains $3.20 in nickels and quarters. there are 3 times as many nickels as quarters. how many of each type are in the parking meter

note: you must solve using system of equations which means there should be two equations in the solving process

answer: just subtact the units and then add the non negative : happy to

step-by-step explanation:

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°