She cut it into an equal number of 4cm and 5cm strips. How many 4cm strips did she get?
2007-04-03 03:47:57 · 6 answers · asked by John Yogi 2 in Science & Mathematics ➔ Mathematics
4x+5x = 450
9x =450
x= 50 4 cm strips
check:
4(50)+5(50)=
200+ 250 = 450 checks
2007-04-03 03:53:46 · answer #1 · answered by jaybee 4 · 0⤊ 0⤋
Let n be the number of number of 4cm and 5cm strips, where 2n is the total number of strips.
4n + 5n = 450
9n = 450
n = 50
There are 50 of each 5cm and 4cm strips
2007-04-03 10:51:17 · answer #2 · answered by Bhajun Singh 4 · 1⤊ 0⤋
What's a rool?
4+5 = 9
450/9 = 50
A quantity of fifty 4 and 5 cm strips.
2007-04-03 10:58:34 · answer #3 · answered by Anonymous · 0⤊ 0⤋
450/9 = 50 So she got 50 strips of each size.
2007-04-03 10:52:44 · answer #4 · answered by Swamy 7 · 0⤊ 0⤋
50!!
2007-04-03 10:56:32 · answer #5 · answered by Vince Ruberto 2 · 0⤊ 0⤋
emmmm none
2007-04-03 10:52:19 · answer #6 · answered by ? 3 · 0⤊ 0⤋