At a pool supply store, 20 kilograms of salt costs $6.50 and 40 kilograms of the same salt costs $13.00.
Which graph could show the relationship between the amount of salt and its cost?
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Number, NAP-I4-CA08
Olaf's receipt from a Battery World store was torn and part of it was thrown in the rubbish.
He knew:
- each AA battery pack cost just under `$9`.
- each USB stick cost just under `$8`.
His credit card statement showed that he spent `$83.90` at the Battery World store.
About how much did the hard drive cost?
| `$5` | `$17` | `$28` | `$67` |
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Number, NAP-I4-CA07
Luke had `6` cups of sugar.
He used `1/2` cup of sugar for one recipe and `2 1/4` cups of sugar for another recipe.
How many cups of sugar did Luke have left?
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`2 1/4` |
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`3 1/4` |
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`3 1/2` |
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`4 3/4` |
Number, NAP-I4-CA05 SA
Olivia earned $17.24 per hour working at a pizza store.
This week she worked for `8 1/4` hours.
She used the money she earned this week to buy concert tickets for herself and her friends.
Each concert ticket cost $14.15.
What is the maximum number of concert tickets Olivia could have bought?
| tickets |
Number, NAP-I4-CA04
What is the value of the expression `3 + (-13) - (-6)?`
| `-16` | `-4` | `18` | `26` |
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