Edwin has $50 in his account to buy lunches at school. Each lunch costs $2.50. write a linear equation to represent the situatio
n
2 answers:
Answer:
y=-2.5x+50
This shows how many he can buy
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Answer:
y= 35
x=55
Step-by-step explanation:
Answer:
50
Step-by-step explanation:
let x = total DVD rentals
450=9x
450/9=x
50=x
50 DVDs were rented
⇒ s = a+b+c2=5+12+132 a + b + c 2 = 5 + 12 + 13 2 = 15 cm.
Area of the base = √s(s−a)(s−b)(s−c)
= √15×10×3×2 15 × 10 × 3 × 2 cm2 = 30 cm2
