Answer:
y = -1
Step-by-step explanation:
It´s an equilateral triangle
then:
2y + 6 = 4
2y = 4 - 6
2y = -2
y = -2/2
y = -1
Check:
2*-1 + 6 = 4
-2 + 6 = 4
Answer= $138.98
47.86-25.20+52.75-22.04-8.50+94.11=$138.98
Answer:
Step-by-step explanation:
Amount paid by Joanne before promotion = 74 + 59 + 69 = $ 202
a) Amount saved if she switches to "3 for 129 plan" = 202 - 129 = $ 73
Percentage of saving =
= 36.13 = 36%
b) Amount saved after the first year = 202 - 139 = $ 63
Percentage of saving =
= 31.18 = 31%