Bridget has swimming lessons every fifth day and diving lessons every third day.If she has a swimming lesson and diving lesson o n may 5,when will bee the date on which she has both swimming and diving lessons
1 answer:
Answer:
Step-by-step explanation:
she had both on May 5
swimming lessons every 5th day
5,10,15,20
diving lessons every 3rd day...
3,6,9,12,15
so they both have a common multiple of 15
so fifteen days after May 5 = May 20 <==
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(This is what I think) First, we minus 720 from her 1000. Now she has $280 left. 280 divided by 28 (the trainer cost) is 10. So, she can spend 10 hours with the personal trainer.
Answer:
Step-by-step explanation:
37.6 because the fist part is times 2 so 14•2
0.5p -3q =11 5p +6q =2
1) ×-2
--> 3. -p +6q =-22
2) - 3)
6p =24
p =4
sub into 2)
5(4) +6q =2
20 +6q =2
6q =2 -20 =-18
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