Grade 6 Math Practice: Constant Rate

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The workers at a laundromat can clean 12 shirts every hour. Which function relates the number of shirts cleaned, s, to the number of hours, h?

$s=12+h$

$h=12s$

$h=s+12$

$s=12h$

Veronica is reading a novel for school. She reads at a constant rate. After 30 minutes, she read 48 pages. What functions relates the number of pages read, p, to the number of minutes, t?

$48p=30m$

$p=1.6m$

$p=30m+48$

$p=0.625m$

Nathaniel want to be the quarterback for his high school football team. To practice he throws a football a constant number of times each day. After 7 days, he threw the ball 1,050 times. Which table correctly shows the number of throws made over the first 4 days?

Days	Throws
1	262
2	524
3	788
4	1,050

Days	Throws
1	150
2	300
3	450
4	600

Days	Throws
262	1
524	2
788	3
1,050	4

Days	Throws
150	1
300	2
450	3
600	4