Answer:
$30
Step-by-step explanation:
Dollars : Pesos
250 : 4250
X : 510
250/4250 = X/510
X = 30
The 3rd selection is appropriate.
.. 5b +1 = a = 3b +5
by the transitive property of equality,
.. 5b +1 = 3b +5
Answer:
They bought 5
Step-by-step explanation:
65x+40y=765
65(5)+40(11)=765
Answer:
the two angles are 55° each
Step-by-step explanation:
Let the two equal angles be y each
Therefore,
70° + y + y = 180°
Collect like terms
2y = 180 — 70
2y = 110
Divide both side by the coefficient of y i.e 2
y = 110/2
y = 55°
Therefore, the two angles are 55° each
