trellizzz

10.03.2020 • 

Mathematics

Michael has a jar with 24 coins. three eighths of the coins are U.S. coins. The rest of the coins are foreign coins. Michael adds 12 U.S. coins to the jar. a. What fraction of the coins in the jar are foreign coins now? Show your work or explain how you know. Michael continues to add U.S. coins to the jar. b. How many more U.S. coins must Michael add to the jar so that one eighth of the coins are foreign coins? Show your work or explain how you know.

Ответ:

chrisayy

20.01.2022

Mathematics

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Explanation: 24/8=3 3x3=9 9 coins are U.S coins 24-9=15 15 coins are foreign
15 coins= five eights so 3 coins are one eight if he adds twelve it’s going to be
4x3=12 so it’s seven eights.

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Ответ:

Anikarenee

12.03.2021

Mathematics

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2200

Step-by-step explanation:

4.5% × ? = 99

? =

99 ÷ 4.5% =

99 ÷ (4.5 ÷ 100) =

(100 × 99) ÷ 4.5 =

9,900 ÷ 4.5 =

2,200

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