Answer:
s = 2r + 1
Step-by-step explanation:
Number of sunflower (s) is 1 more than twice the number of roses (r)
Mathematically ;
Number of sunflower = 1 + 2 * number of roses
Sunflower = s ; roses = r
s = 2r + 1
Answer:
Step-by-step explanation:
1) 20 for $1.56
The unit price is
1.56/20 = $0.078
= 7.8 cents each
2) $3.78 for 6
The unit price is
3.78/6 = 0.63
= 63 cents each
3) 2 1/2 for 1 dollars
The unit price is
1/2.5 = 0.4
= 40 cents each
4) 5 at 3.9
The unit price is
3.9/5 = 0.78
= 78 cent each
5) 1 1/2 for 1.58
The unit price is
1.58/1.5 = 1.05
= 1.05 each
800*.8=640 is your answer
Answer:
20a³
Step-by-step explanation:
Simply multiply:
-5(-4) = 20
-a(-a)(a) = a²(a) = a³
20a³