Seventh grade word problem?
The number of roses sold was 8 more than 4 times the number of tulips sold.
Tulips were: $2
Roses were: $5
They made a total of: $414
How many roses were sold?
The number of roses sold was 8 more than 4 times the number of tulips sold.
Tulips were: $2
Roses were: $5
They made a total of: $414
How many roses were sold?
Comments
4t+8=r
2t+5r=414
2t+5(4t+8)=414
2t+20t+40=414
22t=374
t=17
4t+8=r
4(17)+8=r
68+8=r
76=r
There were 76 roses sold.
NR + NT = X
5NR + 2NT=414
4NT +8 =NR
5(4NT +8) +2NT=414
20NT +40 + 2NT = 414
22NT = 414-40
22NT = 374
374 / 22 = NT
NT = 17
17 tulips
76 roses
72